mawworm

Century Dictionary and Cyclopedia

1. n. An intestinal worm which may be found in the stomach, as a pin-worm or threadworm, such as Oxyuris vermicularis.
2. n. A man who resembles Mawworm, a character in Bickerstaffe's play “The Hypocrite,” 1769; a hypocritical pretender to sanctity.

Wiktionary

1. n. alternative spelling of maw-worm.

GNU Webster's 1913

1. n. Any intestinal worm found in the stomach, esp. the common round worm (Ascaris lumbricoides), and allied species.
2. n. One of the larvæ of botflies of horses; a bot.