Call someone on the phone.

(algebra) A module (over a commutative ring R) equipped with a bilinear binary operation taking values in R.

(music, dance, games) A traditional children's game involving dancing in a ring around a person in the middle.

In commutative algebra, the prime spectrum (or simply the spectrum) of a commutative ring is the set of all prime ideals of , and is usually denoted by ; in algebraic geometry it is simultaneously a topological space equipped with the sheaf of rings .

In mathematics, the discrete Fourier transform over a ring generalizes the discrete Fourier transform, of a function whose values are commonly complex numbers, over an arbitrary ring.

In quantum mechanics, the case of a particle in a one-dimensional ring is similar to the particle in a box.

"Give Me a Ring Sometime" is the pilot episode and the first episode of the first season of the American situation comedy Cheers.