-u·lar \yələ(r)\adjective suffix Etymology: Latin -ularis, from -ulus, -ula, -ulum -ule + -aris -ar : of, relating to, or resembling < crevicular > — chiefly in words where the base word is derived from a Latin word having a diminutive in -ulus, -ula, or -ulum < tubular > < valvular >