The cat rubbed its head against my leg.
Meaning: The cat moved its head back and forth against the part of my body that connects my foot to my body.
Choice of Words: Rubbed is a verb that means to move something back and forth against a surface. Head is a noun that refers to the part of an animal's body that contains the brain. Leg is a noun that refers to the part of an animal's body that connects the foot to the body.
Alternative Expressions
Related Expressions