(Canada, engineering) The symbol of a Canadian engineer. A faceted stainless steel or iron ring worn on the little finger of the dominant hand, signifying a trained Canadian engineer, awarded in Canada after an accompanying oath of professional conduct, in a private ceremony with dramatic rites.

plural of Kummer ring

cock ring

(US) A cake having a ring baked inside it, with slices sold as a form of lottery. Once a common feature of church fairs.

(electronics) A signal processing function in which two signals (typically a complex signal and a less complex carrier such as a sine wave) are combined to yield an output.

plural of ring modulation

(US, chiefly African-American English, Caribbean) Any of various (mainly children's) games played in a circle, typically with dance movements and singing.

plural of ring play

(astronomy) A shower of material leaving Saturn's rings and entering its atmosphere.

(US, military, slang) An officer who graduated from a military academy.