SG Heritage Dictionary

Saltation [Noun] Webster's Dictionary 1828

2. Beating or palpitation; as the saltation of the great artery.

Saltation [Noun] Webster's Dictionary 1913

2. Beating or palpitation; as, the saltation of the great artery.

3. An abrupt and marked variation in the condition or appearance of a species; a sudden modification which may give rise to new races.