Core sense — a thing with which something is raised; either of two bright stars; the upper chestgenerated
1
A thing with which something is raised or lifted up, whether a wall or a roof; plural سُمُكٌ.
2the name of two bright stars—السِّمَاكَانِ
[It is wrongly said that] the سماكان are in the sign of Libra; and it is said that they are the two hind legs of Leo.
[As noted before, the ancient Arabs, or many of them, extended the figure of Leo — as they did that of Scorpio — far beyond the limits we assign to it; and hence] السماك الا عزل was also called سَاقُ الأَسَدِ [the thigh, or the hind shank, of Leo]. (Kzw in his description of Virgo.)
The rhyming-proser says إِذَا طَلَعَ السِّمَاكْ ذَهَبَ العِكَاكْ فَأَصْلِحْ فِنَاكْ وَأَجِدَّ حِذَاكْ فَإِنَّ الشِّتَآءَ قَدْ أَتَاكْ [When السماك rises with the dawn the sultriness has gone, so put your court, or yard, in good condition and renew your sandal, for the winter has come to you: فِنَاك and حِذَاك being contractions of فِنَآءَك and حِذَآءَك for the sake of the rhyme].
The نَوْء [here apparently meaning the rain that follows the auroral setting] of السماك الاعزل [about the 4th of April, Old Style, in Central Arabia] is abundant, but disliked, because it makes the نَشْر grow, which sickens the camels that pasture on it. (Kzw in his description of the Mansions of the Moon.) [The adjective سِمَاكِىٌّ is applied to the rain just mentioned.]
the first of the two: a star in Virgo—السِّمَاكُ الأَعْزَلُ
This is [namely α] in Virgo, called by astrologers السُّنْبُلَةُ [or Spica Virginis]. It is one of the Mansions of the Moon (S, O, and Kzw in his description of the Mansions of the Moon), the fourteenth of them; it is one of the أَنْوَآء [plural of نَوْءٌ], and rises with the dawn in تِشْرِينُ الأَوَّلُ [October, Old Style; its auroral rising in Central Arabia, about the beginning of the era of the Flight, began on the 4th of that month].
It is called الا عزل because it has no star [near] before it, like the اعزل who has no spear with him; or, as some say, because when it rises [with the dawn] it is not accompanied by wind or by cold.
the second of the two—السِّمَاكُ الرَّامِحُ
It is also called سِمَاك, that is, الرَّامِحُ [so called for a reason explained in art. رمح; it is the star Arcturus, and] is not one of the Mansions of the Moon, and has no نَوْء [here meaning supposed influence in bringing rain and the like]. It lies towards the north, the first towards the south, and it is also called السِّمَاكُ المِرْزَمُ.
2.1the upper part of the chest, next to the collar-bone—السِّمَاكُ
Ibn-ʿAbbād gives the word as سِمَاكُ التَّرْقُوَةِ, and gives this meaning.
Show Lane's original text
A thing with which a thing is raised, elevated, upraised, or uplifted; (K, TA;) whether a wall or a roof: (TA:) pl. سُمُكٌ . (K.) السِّمَاكَانِ is the name of Two bright stars; السِّمَاكُ الأَعْزَلُ and السِّمَاكُ الرَّامِحُ : (S, O, K:) the former is a star [namely a] in Virgo, called by astrologers السُّنْبُلَةُ [or Spica Virginis]; (Kzw;) and is one of the Mansions of the Moon, (S, O, and Kzw in his descr. of the Mansions of the Moon,) the Fourteenth thereof; (Kzw ibid.;) it is one of the أَنْوَآء [pl. of نَوْءٌ , q. v.], and rises aurorally in تِشْرِينُ الأَوَّلُ [October, O. S.; its auroral rising, in Central Arabia, about the commencement of the era of the Flight, began on the 4th of that month]; it is called الا عزل because it has no star [near] before it, like the اعزل that has with him no spear; or, as some say, because, when it rises [aurorally], it is not accompanied by wind nor by cold: (TA:) the latter سِمَاك , i. e. الرَّامِحُ , [thus called for a reason expl. in art. رمح , q. v., is the star Arcturus, and] is not of the Mansions of the Moon, (S, O, TA,) and has not any نَوْء [here meaning supposed influence in bringing rain &c.]; it is towards the north; the former being towards the south; (TA;) and is also called السِّمَاكُ المِرْزَمُ : (AZ, TA in art. رمح :) [it is erroneously said that] the سماكان are in the sign of Libra: (TA:) and it is said that they are the two kind legs of Leo ( رِجْلَا الأَسَدِ ): (S, O, K: *) [for it appears, as I have before observed, (voce ذِرَاعٌ ,) that the ancient Arabs, or many of them, extended the figure of Leo (as they did also that of Scorpio) far beyond the limits which we assign to it: and hence,] السماك الا عزل was also called سَاقُ الأَسَدِ [the thigh, or the hind shank, of Leo]. (Kzw in his descr. of Virgo.) The rhyming-proser says, إِذَا طَلَعَ السِّمَاكْ ذَهَبَ العِكَاكْ فَأَصْلِحْ فِنَاكْ وَأَجِدَّ حِذَاكْ فَإِنَّ الشِّتَآءَ قَدْ أَتَاكْ [When السماك rises aurorally, (i. e. السماك الا عزل ,) the sultriness has gone, therefore do thou put thy court, or yard, in good condition, and renew thy sandal, for the winter has come to thee: فِنَاك and حِذَاك being contractions of فِنَآءَك and حِذَآءَك , for the sake of the rhyme]. (O, TA.) The نَوْء [here app. meaning the rain consequent upon the auroral setting] of السماك الاعزل [about the 4th of April, O. S. in Central Arabia] is abundant, but disapproved, because it gives growth to the نَشْر [q. v.], which diseases the camels that pasture upon it. (Kzw in his descr. of the Mansions of the Moon.) [The epithet سِمَاكِىٌّ is applied to the rain above mentioned.] السِّمَاكُ also signifies, (K,) or سِمَاكُ التَّرْقُوَةِ , (Ibn-'Abbád, O,) The upper part of the chest, next to the collar-bone. (Ibn-'Abbád, O, K.)