1. wiss - Verb
2. Wiss - Proper noun
wiss (third-person singular simple present wisses, present participle wissing, simple past and past participle wissed)
(archaic) To know; to understand.
Wiss (plural Wisses)
A surname from German.
Major Ray Wiss is an emergency room doctor and a military reservist who has served two tours in Afghanistan. Source: Internet
"We find transference," Wiss says. Source: Internet