eras Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a period of time in history. It often begins or ends with an important event. Example Sentence We are studying the primal eras before the appearance of life on earth. Synonyms age; cycle; days Antonyms today Hear It! Say It! Write It! eras Switch to cursive Start Rhymes Two Syllable Rhymes (3) era's eras lira's Three Syllable Rhymes (1) aguirra's Share with your friends: