βῖκος

A. jar or cask, Hdt. 1.194, X. An. 1.9.25, PHal. 7.5 (iii B. C.), PHib. 1.49 (iii B. C.), LXX Je. 19.1, etc.
2. drinking-bowl, Pollux Par. ap. Ath. 11.784d.
3. a measure, BGU 112.15 (i A. D.), PTeb. 472 (ii A. D.). [ι, v. Ephipp. 8.2, Archestr. Fr. 38.2.]
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project