ἀτρακτυλίς

ίδος, ἡ
A. spindle-thistle, used for making spindles, Carthamus lanatus, Arist. HA 627a8, Thphr. HP 6.4.6, Theoc. 4.52(pl.), Dsc. 3.93:—also ἀτρακτύαλος (leg.‐τυλλος), Hsch.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project