an animal, a bird, etc. that you have at home for pleasure, rather than one that is kept for work or food

a person who is given special attention by somebody, especially in a way that seems unfair to other people

She's the teacher's pet.

used when speaking to somebody to show kind feelings or to be friendly

Be a pet and post this letter for me.

to touch or move your hand gently over an animal or a child in a kind and loving way

to kiss and touch each other in a sexual way

LEARNit Dictionary