Hypertext Webster Gateway: "bulb"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Bulb \Bulb\, v. i.
To take the shape of a bulb; to swell.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Bulb \Bulb\ (b[u^]lb), n. [L. bulbus, Gr. bolbo`s: cf. F.
bulbe.]
1. (Bot.) A spheroidal body growing from a plant either above
or below the ground (usually below), which is strictly a
bud, consisting of a cluster of partially developed
leaves, and producing, as it grows, a stem above, and
roots below, as in the onion, tulip, etc. It differs from
a corm in not being solid.
2. (Anat.) A name given to some parts that resemble in shape
certain bulbous roots; as, the bulb of the aorta.
{Bulb of the eye}, the eyeball.
{Bulb of a hair}, the ``root,'' or part whence the hair
originates.
{Bulb of the spinal cord}, the medulla oblongata, often
called simply bulb.
{Bulb of a tooth}, the vascular and nervous papilla contained
in the cavity of the tooth.
3. An expansion or protuberance on a stem or tube, as the
bulb of a thermometer, which may be of any form, as
spherical, cylindrical, curved, etc. --Tomlinson.
From WordNet (r) 1.7 (wn)
bulb
n 1: a modified bud consisting of a thickened globular
underground stem serving as a reproductive structure
2: electric lamp consisting of a glass bulb containing a wire
filament (usually tungsten) that emits light when heated
[syn: {light bulb}, {lightbulb}, {incandescent lamp}, {electric
light}, {electric-light bulb}]
3: a rounded part of a cylindrical instrument (usually at one
end); "the bulb of a syringe"
4: lower or hindmost part of the brain; continuous with spinal
cord; (`bulb' is an old term for medulla oblongata); "the
medulla oblongata is the most vital part of the brain
because it contains centers controlling breathing and
heart functioning" [syn: {medulla oblongata}, {medulla}]
5: a rounded dilation or expansion in a canal or vessel or
organ
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.