Scrabble?! BULB

Definitions of BULB in various dictionaries:

noun - a modified bud consisting of a thickened globular underground stem serving as a reproductive structure

noun - electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity

noun - a rounded part of a cylindrical instrument (usually at one end)

noun - anything with a round shape resembling a teardrop

noun - lower or hindmost part of the brain

noun - a rounded dilation or expansion in a canal or vessel or organ

Botany.

A short, modified, underground stem surrounded by usually fleshy modified leaves that contain stored food for the shoot within: an onion bulb; a tulip bulb.

A similar underground stem or root, such as a corm, rhizome, or tuber.

A plant that grows from a bulb.

A rounded projection or part: the bulb of a syringe.

An incandescent lamp or its glass housing.

A rounded dilation or expansion of a canal, vessel, or organ.

adj - an underground bud [n -S] : BULBAR, BULBED