ap·ple 
/ˈæpəl/ noun
plural ap·ples /ˈæpəl/ noun : a round fruit with red, yellow, or green skin and firm white flesh [count] ▪ crisp juicy apples ▪ a bad/rotten apple [=an apple that has rotted and cannot be eaten] [noncount] ▪ a piece of apple — often used before another noun ▪ apple pie ▪ apple juice ▪ apple trees — see color picture ◊In figurative use, a bad apple or rotten apple is a bad member of a group who causes problems for the rest of the group.
▪ A few bad apples cheated on the test, and now everyone has to take the test again. ▪ One rotten apple ruined the day for the rest of us. — see also adam's apple, crab apple
▪ A few bad apples cheated on the test, and now everyone has to take the test again. ▪ One rotten apple ruined the day for the rest of us. — see also adam's apple, crab apple
compare apples to apples/oranges — see 1compare
the apple of someone's eye
: a person or thing that someone loves very much
▪ His daughter is the apple of his eye.
▪ His daughter is the apple of his eye.
upset the apple cart — see 2upset
