παλμός · palmos — LSJ
quivering motion, πυγῆς Alciphr. 1.39; esp. pulsation, throbbing (on π. and σφυγμός cf. Gal. 8.716), φλεβῶν Hp. Acut. 37; ὑποχονδρίου Id. Epid. 1.4.2 [1.26.βʹ]; ὑπὸ κροτάφοισι Nic. Al. 27, cf. Th. 744: abs., palpitation of the heart, a disease, Arist. Resp. 479b21; twitching, Gal. 7.588.
of natural phenomena, vibration, rapid motion, D.S. 3.51, Nonn. D. 2.193, al.; of meteors, Plu. Lys. 12 codd.; impetus of a projectile, Ath.Mech. 37.8.
in Epicur., internal vibration of bodies, Ep. I p.8 U., cf. Id. ap. Placit. 1.12.5 (v.l. ἀποπαλμός).