(construction) indenting two or more thicknesses of metal that are pressed against each other to prevent slippage between the metal.

plural of button man

(slang) A contract killer; a professional assassin.

Alternative spelling of buttonquail

(slang, Canada, US) An unintentional telephone call made from a cell phone in a back pant pocket due to body movement or sitting down.

(often humorous) Even if a person is in his or her senior years, with gray hair, he or she can still have ambition and energy, especially sexual energy.

(construction, woodworking) A joint formed by adjacent, separate section of material, such as where two neighboring pieces of insulation abut.

A block copolymer consisting of two polystyrene chains, one each side of a polybutadiene sequence; they have both thermoset and thermoplastic properties.

A folding pocket knife with two handles counter-rotating around the tang such that, when closed, the blade is concealed within grooves in the handles.

A chocolate candy with peanut butter filling.