A plough with a double mouldboard.

A negotiation technique in which a proposal from another party is deliberately misinterpreted in such a way that it is more to the responding party's liking, with the aim of having the misinterpreted version accepted in the interests of diplomacy.

A firelighting tool of two sticks rubbed together to produce heat through friction and heat, and eventually an ember. Typically It uses a V-shaped base piece of wood, usually a soft wood that will produce dust hence tinder, and a hard wood "friction stick" as the activator.

A kind of diagram illustrating the focal mechanism of an earthquake.

(aviation) A chart showing the relationship between speed at level flight and altitude (or sometimes other variables).

A three-dimensional plot in which multiple curves of data, typically spectra, are displayed simultaneously, used for example to show how two-dimensional information changes over time.

Commonwealth English standard spelling of plow ahead.

plural of plot coupon

(fandom slang) An object sought by a character in a story in order to achieve some objective, having little purpose beyond advancing the plot.

A compact layer of soil at the base of a furrow