Extended Strong's Greek Lexicon (Abbott-Smith based)
frankincense
Usage: λίβανος, -ου, ὁ (rarely ἡ), (from the Semitic; cf. the Heb. equiv.), [in LXX for לְבוֹנָה Exo.30:34, Isa.60:6; Sir.24:15, al. ;] __1. in cl., the frankincense-tree. __2. (Occas. in cl.) frankincense (so Lev.2:1; cf. λιβανωτός): Mat.2:11, Rev.18:13.† (AS)