Is “Bulb” a Scrabble word?
Yes
BULB
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Bulb
/bʌlb/
noun
1.Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.
“the bulb of the aorta”
2.A light bulb.
3.The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown.
verb
1.To take the shape of a bulb; to swell.