1. Having one estrous cycle per year
   - monoestrous

See also: estrous

• reef squirrelfish
• reef whitetip shark
• reefer
• reefy
• reek
• reeking
• reeky
• reel
• reel off
• reelect
• reelection
• reeler
• reembody
• reemerge
• reemergence
• reenact
• reenactment
• reenactor
• reencounter
• reenforce
• reenforcement
• reenlistment
• reenter
• reentering angle
• reentering polygon