bulb
noun
- short, enlarged shoot system that has as parts a short stem in which the shoot internodes do not elongate, and one or more buds enclosed by fleshy leaves or leaf bases
Wiktionary
Pronunciation: /ˈbʌlb/ / /ˈbʌb/
noun
Etymology: Etymology tree Ancient Greek βολβός (bolbós)bor. Latin bulbusder. English bulb Inherited from Middle English bulb, bolbe, from Latin bulbus (“bulb, onion”), from Ancient Greek βολβός (bolbós, “plant with round swelling on underground stem”).
- The bulb-shaped underground portion of a plant such as a tulip, consisting of a shortened stem and many fleshy scale leaves, from which the rest of the plant may be regrown.
“the plants which grow in the earth from seed or bulbs.”
“Once it [a snowdrop variety] became established, some bulbs were lifted and passed on to be chipped (i.e. cut into small pieces and grown on).”
- The medulla oblongata.
- 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”
- Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.
“an incandescent bulb”
“an LED bulb”
- A bulbous protuberance at the forefoot of certain vessels to reduce turbulence.
- An onion.
verb
Etymology: Etymology tree Ancient Greek βολβός (bolbós)bor. Latin bulbusder. English bulb Inherited from Middle English bulb, bolbe, from Latin bulbus (“bulb, onion”), from Ancient Greek βολβός (bolbós, “plant with round swelling on underground stem”).
- To take the shape of a bulb; to swell.