ring

1. ring (noun) — sense 1

Definition: A solid object in the shape of a circle.: A circumscribing object, (roughly) circular and hollow, looking like an annual ring, earring, finger ring etc.

2. ring (noun) — sense 2

Definition: A solid object in the shape of a circle.: A round piece of (precious) metal worn around the finger or through the ear, nose, etc.

Example: His brother gifted him a ring for the engagement.

3. ring (noun) — sense 3

Definition: A solid object in the shape of a circle.: A bird band, a round piece of metal put around a bird's leg used for identification and studies of migration.

4. ring (verb) — sense 4

Definition: To enclose or surround.

Example: The inner city was ringed with dingy industrial areas.

5. ring (verb) — sense 5

Definition: To make an incision around; to girdle; to cut away a circular tract of bark from a tree in order to kill it.

Example: They ringed the trees to make the clearing easier next year.

6. ring (verb) — sense 6

Definition: To attach a ring to, especially for identification.

Example: We managed to ring 22 birds this morning.