kosātakī : [f.] a creeper the fruit of which is eaten; Luffa acutangula.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Kosātakī (f.) [cp. Sk. kośātakī] a kind of creeper Vv 474; Vism 256, 260, 359; VvA 200; -- bīja the seed of the k. A i.32=v.212.

Pali-English Dictionary, TW Rhys Davids, William Stede,