Definitions

1. noun

a sweet or sour dish made with fruit, often served as a dessert

“She baked a delicious tart for the family gathering.”

2. adjective

sour and sharp in taste or smell; having a sharp, pungent flavor

“The tart smell of the vinegar filled the air.”

3. verb

to make or become sour or sharp in taste or smell

“The lemon started to tart as it ripened.”