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enter (EN)
verb, noun

verb “enter”

infinitive enter; he enters; past tense entered; past part. entered; ger. entering
  1. to move or come inside a space that is surrounded by walls or boundaries
    You should knock before you enter, unless you want to see me naked.
  2. to place or introduce something or someone into a space or condition
    The surgeon had to enter a catheter into the patient's artery.
  3. to begin or start a particular state, condition, or profession
    After years of study, she is excited to finally enter the field of medicine.
  4. to input information into a computer by typing
    Please enter your details into the form so we can process your application.
  5. to make an official record of something in a book, list, or document
    The accountant will enter all transactions into the financial system by the end of the week.
  6. to agree to be part of a contract, treaty, or agreement
    The two countries will enter into a bilateral trade agreement by the end of the month.
  7. to start to have legal or official validity
    The new tax regulations will enter into effect starting next fiscal year.

noun “enter”

singular enter, plural enters
  1. a button on a keyboard used to submit commands or text
    Press the Enter key to confirm your selection.