\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
   plaything.
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.
7. (Zo["o]l.)
   (a) Any one of numerous species of North American
       fresh-water cyprinoid fishes of the family
       {Catostomid[ae]}; 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 ({C.
       teres}), the hog sucker ({C. nigricans}), and the
       chub, or sweet sucker ({Erimyzon sucetta}). Some of
       the large Western species are called {buffalo fish},
       {red horse}, {black horse}, and {suckerel}.
   (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; one easily gulled. [Slang, U.S.]
11. A nickname applied to a native of Illinois. [U. S.]
{Carp sucker}, {Cherry sucker}, etc. See under {Carp},
   {Cherry}, etc.
{Sucker fish}. See {Sucking fish}, under {Sucking}.
{Sucker rod}, a pump rod. See under {Pump}.
{Sucker tube} (Zo["o]l.), one of the external ambulacral
   tubes of an echinoderm, -- usually terminated by a sucker
   and used for locomotion. Called also {sucker foot}. See
   {Spatangoid}.

\Suck"er\, v. t. [imp. & p. p. {Suckered}; p. pr. & vb.
n. {Suckering}.]
To strip off the suckers or shoots from; to deprive of
suckers; as, to sucker maize.

\Suck"er\, v. i.
To form suckers; as, corn suckers abundantly.