A crosspiece forming a step of a ladder; a round. / A crosspiece between legs of a chair. / (figuratively) A position in a hierarchy. / (nautical, dated) A floor timber in a ship.

past participle of ring (only in senses related to a bell) / (chiefly dialectal) simple past tense of ring

Of a pig: having a ring through the nose.

plural of rung

Having rungs.

A surname.

plural of Rung

(mathematics) A problem of oscillation at the edges of an interval that occurs when using polynomial interpolation with polynomials of high degree over a set of equispaced interpolation points.

(mathematics) A certain approximation theorem in complex analysis.

past participle of ring off