Source : Webster's Revised Unabridged Dictionary (1913)

Bulblet \Bulb"let\, n. [Bulb,n.+ -let.] (Bot.)
   A small bulb, either produced on a larger bulb, or on some
   a["e]rial part of a plant, as in the axils of leaves in the
   tiger lily, or replacing the flowers in some kinds of onion.

Source : WordNet®

bulblet
     n : small bulb or bulb-shaped growth arising from the leaf axil
         or in the place of flowers [syn: {bulbil}]