1. Having one estrous cycle per year
   - monoestrous

See also: estrous

• flatboat
• flatbottom
• flatbottomed
• flatbread
• flatbrod
• flatcar
• flatfish
• flatfoot
• flathead
• flathead catfish
• flatiron
• flatlet
• flatly
• flatmate
• flatness
• flats
• flatten
• flatten out
• flattened
• flattening
• flatter
• flatterer
• flattering
• flatteringly
• flattery