Definitions of leave:

• noun:   permission to do something

  Example: "She was granted leave to speak"

• noun:   the period of time during which you are absent from work or duty

  Example: "A ten day's leave to visit his mother"

• noun:   the act of departing politely

  Example: "He took his leave"

• verb:   remove oneself from an association with or participation in

  Example: "She wants to leave"

• verb:   result in
• verb:   make a possibility or provide opportunity for; permit to be attainable or cause to remain

  Example: "This leaves no room for improvement"

• verb:   act or be so as to become in a specified state
• verb:   have left or have as a remainder

  Example: "19 minus 8 leaves 11"

• verb:   be survived by after one's death
• verb:   go and leave behind, either intentionally or by neglect or forgetfulness
• verb:   leave unchanged or undisturbed or refrain from taking

  Example: "Leave it as is"

• verb:   go away from a place

  Example: "At what time does your train leave?"

• verb:   tell or deposit (information) knowledge

  Example: "Leave your name and address here"

• verb:   put into the care or protection of someone

  Example: "Leave your child the nurse's care"

• verb:   leave behind unintentionally
• verb:   leave or give by will after one's death
• verb:   move out of or depart from

  Example: "Leave the room"