Definitions

1. noun

a bulbous plant of the lily family, especially Allium cepa, having a pungent flavor and smell when cooked

“The chef added sautéed onions to the stir-fry.”

2. noun

a layer or a thin slice of something, especially a layer of fat

“The onion layer on the sandwich made it extra tasty.”

3. verb

to add onions to a dish or mixture

“The chef onioned the soup before serving it.”

4. verb

to peel off or separate the layers of something

“Try to onion the onion to get the individual layers.”