a round object with a hard surface, that contains a baby bird, snake, insect etc and which is produced by a female bird, snake, insect etc:
Blackbirds lay their eggs in March.
an ostrich egg
The eggs hatch (=break open to allow the baby out) in 26 days.
an egg, especially one from a chicken, that is used for food ➔ scrambled egg
food[uncountable and countable]
Joe always has bacon and egg for breakfast.
Whisk the egg white (=the white part) until stiff.
Beat in two of the egg yolks (=the yellow part).
something the same shape as an egg: ➔ Easter egg
a chocolate Easter egg
a cell produced by a woman or female animal that combines with sperm (=male cell) to make a baby [= ovum]
if someone, especially someone in authority, has egg on their face, they have been made to look stupid by something embarrassing:
The Pentagon's been left with egg on its face.
to depend completely on one thing or one course of action in order to get success, so that you have no other plans if this fails:
When planning your investments, it's unwise to put all your eggs in one basket.
7 American English informal
to fail or be unsuccessful at something that you are trying to do
someone who you can depend on to be honest, kind etc