Ictus
Pronunciation : Ic"tus
Part of Speech : n.
Etymology : [L., fr. icere, ictum, to strike.]
Definition : 1. (Pros.)
Defn: The stress of voice laid upon accented syllable of a word. Cf. Arsis.
2. (Med.)
Defn: A stroke or blow, as in a sunstroke, the sting of an insect, pulsation of an artery, etc.
Source : Webster's Unabridged Dictionary, 1913