English definition of “let”
/let/ (present participle letting, past tense and past participle let)
B1 to allow someone to do something or have something: She let me use her camera. I let her have some money.
let’s A2 something that you say to ask someone if he or she wants to do something with you: Let’s go shopping.
let someone/something in, past, through, etc. › to allow someone or something to move to a particular place: They won’t let us past the gate.