(nautical) A wooden or hard rubber strip running the part or whole length of a boat's hull to protect it when it locks, moored against other boats, pontoons or jetties.

(idiomatic, transitive, of behavior, beliefs, etc.) To be acquired by or transferred to (someone) as a result of regular exposure.

Used other than figuratively or idiomatically: see rub, off. / To clean by rubbing. / (intransitive, idiomatic) to be transferred with little or no effort

(slang) An act of roughly rubbing one's knuckles across the top of another person's head with the intent of causing pain and humiliation, often while pinning the other person's head with one's free arm.

(golf) Any accidental deflection of the ball by an outside agency (spectator, caddie etc); the ball is played without penalty from where it comes to rest

present participle of rub out

(idiomatic, transitive) To rub from top to bottom, e.g. for cleaning, stripping paint or massage. / (dated, transitive) To frisk (search by feeling the body and clothing).

(emergency medicine) A form of applying pain to the sternum of the patient wherein the responder applies strong pressure with his knuckles in an attempt to establish the patient's level of consciousness.

(slang) To rub one's body against another person as a form of sexual stimulation or flirting. / To stimulate, interact, or resonate with.

(idiomatic, usually followed by with) To associate closely; to socialize, consort, or mingle.