βάϊον

τό
A. = βάϊς, Ev.Jo. 12.13; for gen. pl. βαΐων v. βάϊς.
II. measuring-rod, β. δικαίῳ ἑξαπήχει PFlor. 37.3 (v/vi A.D.), cf. BGU 1094.12 (vi A.D.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project