Noun
pegasid (plural pegasids)
(zoology) Any member of the family Pegasidae.
pegasid (plural pegasids)
(planetology) An exosolar planet whose characteristics are similar to Jupiter, but which orbits its parent star much more closely and thus has higher temperatures.
Pegasid (plural Pegasids)
(astronomy) A meteor in a meteor shower appearing to originate from the constellation of Pegasus.