Extended Strong's Greek Lexicon (Abbott-Smith based)
palm branch
Usage: βαΐον, ου, τό (also βὰϊον, another form of βὰϊς, from the Egyptian), [in LXX: 1Ma.13:51 * ;] (frequently in Egyptian π., see MM, Exp., x) a palm-branch: Jhn.12:13 (DB, i, 314).† (AS)