Longman Dictionary of Contemporary English - egg

~1 n 1 »BIRDS« a round object with a hard surface, that contains a baby bird, snake, insect etc and which is made by a female bird, snake, or insect  (Blackbirds usually lay their eggs in March. | an ostrich egg) 2 »FOOD« an egg, especially one from a chicken, that is used for food  (fried eggs) 3 »ANIMALS/PEOPLE« a cell produced by a woman or female animal that combines with sperm (=male cell) to make a baby 4 have egg on your face if someone, especially someone in authority, has egg on their face, they look silly because something embarrassing has happened  (The Pentagon's been left with egg on its face.) 5 put all your eggs in one basket to depend completely on one thing or one course of action in order to get success 6 lay an egg AmE informal to fail or be unsuccessful at something that you are trying to do 7 as sure as eggs is eggs BrE old-fashioned used to tell someone that you are sure that something will happen 8 good egg old-fashioned someone who you can depend on to be honest, kind etc ~2 v egg sb on phr v to encourage someone to do something, especially something that they should not do  (Joe didn't want to jump but his friends kept egging him on.)