palpi

n. [ See Palpus, and Cornu. ] (Zool.) One of a group of aquatic beetles (Palpicornia) having short club-shaped antennæ, and long maxillary palpi. [ 1913 Webster ]

n. [ Palpus + L. ferre to bear. ] (Zool.) Same as Palpiger. [ 1913 Webster ]

a. [ Palpus + -form: cf. F. palpiforme. ] (Zool.) Having the form of a palpus. [ 1913 Webster ]

n. [ See Palpigerous. ] (Zool.) That portion of the labium which bears the palpi in insects. [ 1913 Webster ]

a. [ Palpus + -gerous. ] (Zool.) Bearing a palpus. Kirby. [ 1913 Webster ]

a. [ L. palpitans, p. pr. ] Palpitating; throbbing; trembling. Carlyle. [ 1913 Webster ]

v. i. [ imp. & p. p. Palpitated p. pr. & vb. n. Palpitating ] [ L. palpitare, palpitatum, v. intens. fr. pappare. See Palpable. ] To beat rapidly and more strongly than usual; to throb; to bound with emotion or exertion; to pulsate violently; to flutter; -- said specifically of the heart when its action is abnormal, as from excitement. [ 1913 Webster ]

adj. Beating irregularly; -- of the heart.
Syn. -- palpitant. [ WordNet 1.5 ]