enter

verb

• 1come or go into (a place):she entered the kitchen [no object]:the door opened and Karl entered
• [no object] used as a stage direction to indicate when a character comes on stage:enter Hamlet
• come or be introduced into:the thought never entered my head
• penetrate (something):the bullet entered his stomach
• (of a man) insert the penis into the vagina of (a woman): then he entered her, harsh in his passion

• 2begin to be involved in:in 1941 America entered the war
• become a member of or start working in (an institution or profession):he entered the army as a cadet
• register as a competitor or participant in a tournament, race, or examination:they won every race they entered the horse was entered in the Martell Cup at Aintree
• start or reach (a stage or period of time) in an activity or situation:the election campaign entered its final phase
• [no object] (of a particular performer in an ensemble) start or resume playing or singing.

• 3write or key (information) in a book, computer, etc.:children can enter the data into the computer

• 4 Law submit (a statement) in an official capacity:a solicitor entered a plea of guilty on her behalf

noun

• (also enter key) a key on a computer keyboard which is used to perform various functions, such as executing a command or selecting options on a menu.