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

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.

plural of head-butt

Third-person singular simple present indicative form of head-butt

A chocolate candy with peanut butter filling.

For success, and especially to obtain employment, one's knowledge and skills are less useful and less important than one's network of personal contacts.

Alternative spelling of butcherbird

(usually in the plural) Any one of a number of plants with daisylike, button shaped flowers. / Button which may be attached to clothing without resorting to needle and thread.

(usually in the plural) Any one of a number of plants with daisylike, button shaped flowers of the genus Centaurea, especially the species Centaurea cyanus.

(organic chemistry) Denotes the presence of four carbon atoms in the parent chain when forming names of organic compounds.