ru·ga 
(rgə)
(rgə)n. pl. ru·gae (-gē′, -gī′)
Biology
Biology
often rugas A fold, crease, or wrinkle, as in the lining of the stomach.
[Latin rūga.]
rugate′ (-gāt′) adj.
- weasel word
- weather
- weather balloon
- weather-beaten
- weatherboard
- weatherboarding
- weather-bound
- weather bureau
- weathercast
- weathercaster
- weathercock
- weather deck
- weathered
- weather eye
- weatherglass
- weather in
- weathering
- weatherize
- weatherliness
- weatherly
- weatherman
- weather map
- weatherproof
- weather ship
- weather station