4. (Law Tennis) A game with but one player on each side; -- usually in
the plural.
5. (Baseball) A hit by a batter which enables him to reach first base
only.
Sin"gle-act`ing (?), a. Having simplicity of action; especially
(Mach.), acting or exerting force during strokes in one direction only;
-- said of a reciprocating engine, pump, etc.
Sin"gle-breast`ed (?), a. Lapping over the breast only far enough to
permit of buttoning, and having buttons on one edge only; as, a
single-breasted coast.
Sin"gle-foot` (?), n. An irregular gait of a horse; -- called also
single-footed pace. See Single, v. i.
Single-foot is an irregular pace, rather rare, distinguished by the
posterior extremities moving in the order of a fast walk, and the
anterior extremities in that of a slow trot.