By contraction from rabab; an archer (or perhaps the same as rab) -- archer.
see HEBREW rabab
see HEBREW rab
H7228. rab
III. [רַב] noun masculine archer; — plural רַבִּים Jeremiah 50:29 ("" קֶשֶׁת דֹּרְכֵי; Gie רֹבִים, II. רבה), suffix רַבָּיו Job 16:13 (in figurative; Bö and others רֹבָיו; Vrss. Ew and others his missiles)..
I. רבד (√ of following; compare Arabic confine, tie.)