multi

Etymology 1

Shortening of multituberculate.

noun

1. (informal, paleontology) A multituberculate.
   Our Mesozoic antecedents are typified by small size; even the largest of the multis are not larger than a groundhog. 1996, Michael Novacek, Dinosaurs of the Flaming Cliffs, page 316

Etymology 2

< multifasciatus

noun

1. (informal) Neolamprologus multifasciatus (small shell-dwelling cichlid endemic to Lake Tanganyika, popular as aquarium fish)

Etymology 3

Short for "multi two diamonds".

noun

1. (bridge) A contract bridge convention whereby the opening bid of 2♦ shows several possible types of hands.