means of entry
noun phraseUK /ˌmiːnz əv ˈentri/
US /ˌmiːnz əv ˈentri/
A way to get into a place.
The front door is the main means of entry to the house.
OTHER MEANINGS
2. A way of joining a group, school, or competition.
Winning the contest was her means of entry into the national finals.
3. A method used to begin something, such as a discussion or market.
Low prices were their means of entry into the new market.
4. A way for something to get inside a body or system.
The cut on his hand was a means of entry for germs.