Definition of pegamoid in US English:

pegamoid

noun

  • A kind of waterproof facing or substance used in upholstery, bookbinding, etc.; (hence also) imitation leather or other waterproof material.

adjective

  • Made of pegamoid. Also figurative: impassive, impervious, not susceptible to emotion.

Origin

Late 19th century. Origin uncertain; perhaps from the name of the PegamoidCo., although it is unclear whether the company may not have been named after the material; for the further etymology perhaps compare Spanish pegamento glue, adhesive, or ancient Greek πηγνύναι to fix, fasten.

Pronunciation

pegamoid

/ˈpɛɡəmɔɪd/