1. a hard-shelled reproductive body produced by a bird, especially a hen, often used as food
2. a reproductive cell produced by a female animal or plant

1. to encourage someone to do something, especially something foolish or risky
Usage: informal; usually followed by ‘on’

Examples

• She cracked an egg into the frying pan.
• The chicken laid three eggs yesterday.
• Birds build nests to protect their eggs.
• The doctor explained how the egg is fertilized.
• His friends egged him on to jump off the diving board.
• Don’t egg her on when she’s already angry.
• We need two eggs for this cake recipe.