The Collaborative International Dictionary of English v.0.48:
Sucker \Suck"er\ (s[u^]k"[~e]r), n.
1. One who, or that which, sucks; esp., one of the organs by
which certain animals, as the octopus and remora, adhere
to other bodies.
2. A suckling; a sucking animal. --Beau. & Fl.
3. The embolus, or bucket, of a pump; also, the valve of a
pump basket. --Boyle.
4. A pipe through which anything is drawn.
5. A small piece of leather, usually round, having a string
attached to the center, which, when saturated with water
and pressed upon a stone or other body having a smooth
surface, adheres, by reason of the atmospheric pressure,
with such force as to enable a considerable weight to be
thus lifted by the string; -- used by children as a
6. (Bot.) A shoot from the roots or lower part of the stem of
a plant; -- so called, perhaps, from diverting nourishment
from the body of the plant.
(a) Any one of numerous species of North American
fresh-water cyprinoid fishes of the family
Catostomidae; so called because the lips are
protrusile. The flesh is coarse, and they are of
little value as food. The most common species of the
Eastern United States are the northern sucker
(Catostomus Commersoni), the white sucker
(Catostomus teres), the hog sucker (Catostomus
nigricans), and the chub, or sweet sucker (Erimyzon
sucetta). Some of the large Western species are
called buffalo fish, red horse, black horse, and
(b) The remora.
(c) The lumpfish.
(d) The hagfish, or myxine.
(e) A California food fish (Menticirrus undulatus)
closely allied to the kingfish
(a); -- called also bagre.
8. A parasite; a sponger. See def. 6, above.
They who constantly converse with men far above
their estates shall reap shame and loss thereby; if
thou payest nothing, they will count thee a sucker,
no branch. --Fuller.
9. A hard drinker; a soaker. [Slang]
10. A greenhorn; someone easily cheated, gulled, or deceived.
11. A nickname applied to a native of Illinois. [U. S.]
12. A person strongly attracted to something; -- usually used
with for; as, he's a sucker for tall blondes.
11. Any thing or person; -- usually implying annoyance or
dislike; as, I went to change the blade and cut my finger
on the sucker. [Slang]
Carp sucker, Cherry sucker, etc. See under Carp,
Sucker fish. See Sucking fish, under Sucking.
Sucker rod, a pump rod. See under Pump.
Sucker tube (Zool.), one of the external ambulacral tubes
of an echinoderm, -- usually terminated by a sucker and
used for locomotion. Called also sucker foot. See