1) a ceremonially unclean bird 1a) a name of the male ostrich 1b) (CLBL) probably the great owl 1c) perhaps an extinct bird, exact meaning unknown Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: from H2554 Same Word by TWOT Number: 678b
Brown-Driver-Briggs
תַּחְמָסnoun [masculine] name of male ostrich, according to Boii.830 Thes (Thes derives from violence of this bird, compare Arabic violence, also ostrich; other conjectures are: owlᵐ5ᵑ9; swallow, Saad: see also Kn in Di) — mentioned as unclean Leviticus 11:16 (P) Deuteronomy 14:15.
Leviticus 11:16 HEB:הַֽיַּעֲנָ֔ה וְאֶת־ הַתַּחְמָ֖ס וְאֶת־ הַשָּׁ֑חַף NAS: and the ostrich and the owl and the sea gull KJV: And the owl, and the night hawk, and the cuckow, INT: first and the ostrich and the owl and the sea and the hawk
Deuteronomy 14:15 HEB:הַֽיַּעֲנָ֔ה וְאֶת־ הַתַּחְמָ֖ס וְאֶת־ הַשָּׁ֑חַף NAS: and the ostrich, the owl, the sea gull, KJV: And the owl, and the night hawk, and the cuckow, INT: first and the ostrich the owl the sea and the hawk