τμῆ-μα,ατος,τό, (τέμνω)
A. part cut off, section, piece, Pl. Smp. 191d , al.; segmentof a line, Id. R. 509d , Euc. 2.11 , etc.; of a circle (i.e. portion cut off by a chord), Arist. Metaph. 1035a34 (pl.), APr. 41b18 , Mete. 343a12 , Euc. 3
Def. 6 , etc.; also of the portion cut off by radii,sector, τὰ ἀφαιρούμενα ὑπὸ τῶν ἐκ τοῦ κέντρου [τμήματα] Arist. Cael. 290a3 , cf. Str. 2.5.34 ; oflunes,
ὁ τετραγωνισμὸς ὁ διὰ τῶν τμημάτων
Arist. Ph. 185a16
; ofsegmentsof other figures cut off by straight lines or planes, Democr. 155 , Archim. Con.Sph.Prooem. , al.; and ofsegmentsbounded by a circle and a circumscribed polygon, Papp. 316.2 .
2. cut, incision, wound,
Pl. Grg. 476c .
3. sectionof a book, Ps.- Ammon. in APr. 67.39 .
4. Astrol.,divisionbetween two zodiacal signs, Serapio in Cat.Cod.Astr. 8(4).230 .