Search moccasin moccasin /mok′äsin/ , any of several species of snakes of the genus Agkistrodon. Water moccasin (John Willson at the Savannah River Ecology Laboratory [SREL]) Tweet Telegram VK Random Words hepatotoxic thanotopsy calcar Albert’s disease parietal pain mechanism of injury plasma refilling rate photoallergic contact dermatitis asbestos body