noun a knee placed under the cathead.
2. supporter ·noun one who, or that which, supports; as, oxygen is a supporter of life.
3. supporter ·noun a broad band or truss for supporting the abdomen or some other part or organ.
4. supporter ·noun especially, an adherent; one who sustains, advocates, and defends; as, the supporter of a party, faction, or candidate.
5. supporter ·noun a figure, sometimes of a man, but commonly of some animal, placed on either side of an escutcheon, and exterior to it. usually, both supporters of an escutcheon are similar figures.