GRE TOEFL IELTS rooster Definition A male chicken, known for crowing at dawn. Example "The rooster crowed loudly at sunrise." Sign in to save GRE Quiz → TOEFL Quiz → IELTS Quiz → ← roost roster → Study tips featuring "rooster" Audit Your Own Writing to Find Gaps Write GRE Words Into Your Own Sentences TOEFL Academic Vocabulary: Study by Topic Related words GRE swill GRE taper GRE testy GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct