(masonry) In bricklaying, an arrangement of bricks such that one course has the short sides of the bricks (headers) facing outwards, and the next course has the long sides of the bricks (stretchers) facing outwards.

(masonry) In bricklaying, an arrangement of bricks such that each course consists of alternate bricks having their short sides (headers) and long sides (stretchers) facing outwards, with alternate courses being offset.

The essential elements of something, described without going into detail.

(law) Evidence of a long-term debt, by which the bond issuer (the borrower) is obliged to pay interest when due, and repay the principal at maturity, as specified on the face of the bond certificate. The rights of the holder are specified in the bond indenture, which contains the legal terms and conditions under which the bond was issued. Bonds are available in two forms: registered bonds, and bearer bonds.

(transitive) To connect, secure or tie with a bond; to bind. / (transitive) To cause to adhere (one material with another). / (transitive, chemistry) To form a chemical compound with.

A peasant; churl. / A vassal; serf; one held in bondage to a superior.

Subject to the tenure called bondage. / In a state of servitude or slavedom; not free. / Servile; slavish; pertaining to or befitting a slave.

The calcareous internal shell of a cuttlefish, used as a dietary supplement for cage birds.

(chemistry) A type of covalent bond where the two electrons being shared originate from the same atom; a dative bond.

(chemistry) A type of chemical bond where two atoms or molecules are connected to each other by electrostatic attraction.