Lexical Definition

‎כָּסַם‎ kâçam (kaw-sam') to shear ^H:V
a primitive root

[idiom] only, poll. Compare ‎כִּרְסֵם‎.

• to shear

1) (Qal) to cut, clip, trim, shear

Brown-Driver-Briggs

[‎כָּסַם‎] verb shear, clip (Assyrian kasâmu, cut in pieces, according to Dl^{HWB 344}); — only Qal Imperfect and Infinitive absolute ‎כָּסוֺם יִכְסְמוּ אֶתרָֿאשֵׁיהֶם‎ Ezek 44:20 they shall by all means clip their heads (opposed to ‎יְגַלֵּ֔חוּ‎ shave and ‎יְשַׁלֵּ֑חוּ‎, i.e. let grow freely).

Brown-Driver-Briggs References