The Collaborative International Dictionary of English v.0.48:
Palpitant \Pal"pi*tant\, a. [L. palpitans, p. pr.] Palpitating; throbbing; trembling. --Carlyle. [1913 Webster]WordNet (r) 3.0 (2006):
palpitant adj 1: having a slight and rapid trembling motion; "palpitant movements rather than violent eruptions"; "my palpitating heart" [syn: palpitant, palpitating]