Definition of manxome in US English:

manxome

adjective

nonce-word, poetic
  • A nonsense word invented by Lewis Carroll to describe the Jabberwock (an imaginary monster in the poem ‘Jabberwocky’): (perhaps) fearsome, monstrous.

Origin

Late 19th century; earliest use found in ‘Lewis Carroll’ (1832–1898), author, mathematician, and photographer (real name Charles Lutwidge Dodgson). From mank- + -some.

Pronunciation

manxome

/ˈmaŋks(ə)m/