tip

ot noun

1. The part of an earbud that contours to the ear canal. The shape of the nozzle prevents the use of aftermarket eartips.
2. The removal of the tip of a cat's ear, done to indicate that the cat has been fixed. a cat with an eartip
3. The extreme end of something, especially when pointed; e.g. the sharp end of a pencil. the tip of one's nose
4. A piece of metal, fabric or other material used to cover the top of something for protection, utility or decoration. a tip for an umbrella, a shoe, a gas burner, etc.

fe’l verb

1. To give a small gratuity to, especially to an employee of someone who provides a service. In some cities waiters must be tipped.
2. To provide with a tip; to cover the tip of.
3. (To cause) to become knocked over, fall down or overturn.
4. (To cause) to be, or come to be, in a tilted or sloping position; (to cause) to become unbalanced.