(zoology) Any member of the family Pegasidae.

(planetology) An exosolar planet whose characteristics are similar to Jupiter, but which orbits its parent star much more closely and thus has higher temperatures.

An investigational anticancer drug.

A PEGylated form of filgrastim.

plural of pegador

(zoology, dated) A species of remora (Echeneis naucrates).

plural of pegasus

(slang) A female fan of the animated television series My Little Pony: Friendship is Magic, typically an adult.

plural of pegasister

Capable of being pegged.