Brown-Driver-Briggs' Hebrew DefinitionsBDB4258 כּתשׁ 1. (Qal) to pound, mix by pounding, pound fine, bray Origin: a primitive root TWOT: 1061 Parts of Speech: Verb
מכתּשׁ maktêsh mak-taysh' From H3806; a mortar; by analogy a socket (of a tooth)KJV Usage: hollow place, mortar.