weatherglass Get Printable Handwriting (weath-er-glass) 3 syllables Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a device used to measure atmospheric pressure; a barometer Example Sentence The weatherglass showed that a storm was coming. Synonyms barometer; pressure gauge; atmospheric pressure meter Antonyms thermometer; hygrometer Hear It! Say It! Write It! weatherglass Switch to cursive Start Share with your friends: