D defs.my
Entry 1 sense Webster, 1913

jumbo jet

/(jŭm"bō̇ jĕt`)/ · jum·bo jet · IPA
01 n. A large commercial jet airplane, usually having a passenger capacity of over 300 in normal use; also called widebody airplane.
  1. 1.
    A large commercial jet airplane, usually having a passenger capacity of over 300 in normal use; also called widebody airplane. Also: widebody airplane