• (n.) Any intestinal worm found in the stomach, esp. the common round worm (Ascaris lumbricoides), and allied species. • (n.) One of the larvae of botflies of horses; a bot. Found on http://thinkexist.com/dictionary/meaning/mawworm/
Maw'worm` noun [ Maw the belly + worm .] (Zoology) (a) Any intestinal worm found in the stomach, esp. the common round worm ( Ascaris lumbricoides ), and allied species. (b) One of the larvæ of botflies of horses; a bot. Found on http://www.encyclo.co.uk/webster/M/35