watchtowers Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. tall structures for watching over a place. Example Sentence The watchtowers stood tall on the castle walls. More Example Sentences Soldiers use watchtowers to see far away. Synonyms lookouts; sentinels; observation towers Antonyms ground level; low height Hear It! Say It! Write It! watchtowers Switch to cursive Start Share with your friends: