Touch base is a phrase that is used to describe a brief meeting or conversation between two people. The term can also be used to describe a quick check-in with someone. The crossword solutions for the term touch base are TALK (4 letters), CONTACT (7 letters), and tagup (5 letters). TALK is a verb that means to communicate with someone using words, either spoken or written. CONTACT is a noun that refers to the act of communicating with someone or making physical CONTACT with them. Tagup is a verb that means to meet up with someone briefly.