roosting Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. the act of birds resting or sleeping on a perch. Example Sentence The birds were roosting in their nests. More Example Sentences Roosting happens at night for many birds. Synonyms perching; resting; settling Antonyms fly Hear It! Say It! Write It! roosting Switch to cursive Start Share with your friends: