This is the 7968th most frequent Japanese word.
大北
"大北" (Ōkita) is typically a Japanese surname and does not have a standalone meaning without context.
In this sentence, '大北' refers to a place or region name, specifically possibly a city or locality called Ookita. It is used as a proper noun.
昨日、友人と大北のレストランに行きました。
Yesterday, I went to a restaurant in Ookita with a friend.
Here, '大北' serves as a surname, referring to an individual with this family name.
大北さんはとても親切な方です。
Mr./Ms. Ookita is a very kind person.
In this example, '大北' is used to describe the culture associated with the place named Ookita.