ictus Meaning, Definition & Usage

  1. noun a sudden occurrence (or recurrence) of a disease
    raptus; seizure.
    • he suffered an epileptic seizure

WordNet

Ic"tus noun
Etymology
L., fr. icere, ictum, to strike.
Definitions
  1. (Pros.) The stress of voice laid upon accented syllable of a word. Cf. Arsis.
  2. (Med.) A stroke or blow, as in a sunstroke, the sting of an insect, pulsation of an artery, etc.

Webster 1913