a. [ L. saltans, p. pr. of saltare to dance, v. intens. fr. salire to leap: cf. F. sautant. See Sally, v. ] 1. Leaping; jumping; dancing. [ 1913 Webster ]
2. (Her.) In a leaping position; springing forward; -- applied especially to the squirrel, weasel, and rat, also to the cat, greyhound, monkey, etc. [ 1913 Webster ]
‖n. [ It., fr. L. saltare to jump. ] A popular Italian dance in quick 3-4 or 6-8 time, running mostly in triplets, but with a hop step at the beginning of each measure. See Tarantella. [ 1913 Webster ]
n. [ L. saltatio: cf. F. saltation. ] 1. A leaping or jumping. [ 1913 Webster ]
Continued his saltation without pause. Sir W. Scott. [ 1913 Webster ]
2. Beating or palpitation; as, the saltation of the great artery. [ 1913 Webster ]
3. (Biol.) An abrupt and marked variation in the condition or appearance of a species; a sudden modification which may give rise to new races. [ 1913 Webster ]
We greatly suspect that nature does make considerable jumps in the way of variation now and then, and that these saltations give rise to some of the gaps which appear to exist in the series of known forms. Huxley. [ 1913 Webster ]
a. [ L. saltatorius. See Saltant, and cf. Saltire. ] Leaping or dancing; having the power of, or used in, leaping or dancing. [ 1913 Webster ]
Saltatory evolution (Biol.), a theory of evolution which holds that the transmutation of species is not always gradual, but that there may come sudden and marked variations. See Saltation. -- Saltatory spasm (Med.), an affection in which pressure of the foot on a floor causes the patient to spring into the air, so as to make repeated involuntary motions of hopping and jumping. J. Ross. [ 1913 Webster ]
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