Found 2 items, similar to reciprocating engine.
English → English (WordNet) Definition: reciprocating engine reciprocating engine n : an internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders
English → English (gcide) Definition: Reciprocating engine Reciprocate \Re*cip"ro*cate\ (r[-e]*s[i^]p"r[-o]*k[=a]t), v. i. [imp. & p. p. Reciprocated (r[-e]*s[i^]p"r[-o]*k[=a]`t[e^]d); p. pr. & vb. n. Reciprocating.] [L. reciprocatus, p. p. of reciprocare. See Reciprocal.] To move forward and backward alternately; to recur in vicissitude; to act interchangeably; to alternate. [1913 Webster] One brawny smith the puffing bellows plies, And draws and blows reciprocating air. --Dryden. [1913 Webster] Reciprocating engine, a steam, air, or gas engine, etc., in which the piston moves back and forth; -- in distinction from a rotary engine, in which the piston travels continuously in one direction in a circular path. Reciprocating motion (Mech.), motion alternately backward and forward, or up and down, as of a piston rod. [1913 Webster]