parsnips Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a biennial plant Pastinaca sativa of the umbel family; with yellow flowers and a long thick sweet white root used as a vegetable Example Sentence Examples of herbaceous biennials include carrots and parsnips.. Synonyms edible root; Pastinaca sativa; plant Antonyms meat Hear It! Say It! Write It! parsnips Switch to cursive Start Share with your friends: