see also entrance2 door/gate
1 [countable] entrance (to something) a door, gate, passage, etc. used for entering a room, building or placethe entrance to the museum/the museum entranceA lighthouse marks the entrance to the harbour.the front/back/side entrance of the housean entrance hall/lobbyI'll meet you at the main entrance. compare exit noun (1)
going in
2 [countable, usually singular] the act of entering a room, building or place, especially in a way that attracts the attention of other peopleHis sudden entrance took everyone by surprise.A fanfare signalled the entrance of the king.She made her entrance after all the other guests had arrived.The hero makes his entrance (= walks onto the stage) in Scene 2.3 [uncountable] entrance (to something) the right or opportunity to enter a building or placeThey were refused entrance to the exhibition.The police were unable to gain entrance to the house. (British English) an entrance fee (= money paid to go into a museum, etc.)
becoming involved
4 [countable] entrance (into something) the act of becoming involved in somethingThe company made a dramatic entrance into the export market.
to club/institution
5 [uncountable] permission to become a member of a club, society, university, etca university entrance examentrance requirementsentrance (to something) Entrance to the golf club is by sponsorship only. compare entry 
ˈentrəns 
ˈentrəns 