mailboxes Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. a box in which to place outgoing mail and for receiving incoming mail; a computer file in which email is collected Example Sentence The postal worker placed the letters in all the mailboxes. Synonyms postbox; letterbox; mail drop Antonyms mailman Hear It! Say It! Write It! mailboxes Switch to cursive Start Share with your friends:
