(military) An advance through and past enemy lines. / Any major progress; such as a great innovation or discovery that overcomes a significant obstacle.

(anatomy) The central narrow bone in the front of the chest, connecting the collarbone and the top ribs.

A type of bread made with potatoes, often served shallow-fried as part of a cooked breakfast, common in Northern Ireland and Scotland.

(oncology) Cancer of the breast.

Having broken away from a larger unit. / Capable of breaking off without damaging the larger structure. / (ice hockey) Occurring during or as a result of a breakaway (see Noun)

The act of breaking away from something. / (cycle racing) A group of riders which has gone ahead of the peloton.

Something or someone that breathes. / A short break; a rest or respite. / (physics) A spatially localized, time-periodic excitation in a one-dimensional lattice.

(cricket) a normal ball bowled by a leg spin bowler, moving from leg to off (for a right-handed batsman)

A swimming stroke in which the swimmer lies face down, the arms being swept forward, outward and back under the water and the legs are kicked like a frog's

to swim using this stroke