| BACKBONDS | • backbonds n. Plural of backbond. • BACKBOND n. a deed attaching a qualification or condition to the terms of a conveyance or other instrument. |
| BACKBONED | • backboned adj. Having a spine. • BACKBONED adj. having a backbone, vertebrate. |
| BACKBONES | • backbones n. Plural of backbone. • back-bones n. Plural of back-bone. • BACKBONE n. the spine. |
| BACKDOWNS | • backdowns n. Plural of backdown. • BACKDOWN n. the abandonment of one's position. |
| BACKRONYM | • backronym n. A word that is originally not an acronym but is turned into one by devising a full form for it, sometimes… • backronym v. To create a backronym. • BACKRONYM n. an acronym formed using the initial letters or syllables of an existing word, also BACRONYM. |
| BOATNECKS | • boatnecks n. Plural of boatneck. • BOATNECK n. a wide open neck on a garment. |
| BONEBLACK | • boneblack n. Alternative form of bone black. • bone␣black n. A preparation containing carbonized bone, used as a pigment and a filtering medium. • BONEBLACK n. black residue from the destructive distillation of bones. |
| COUNTBACK | • countback n. (Sports) A procedure used to determine which of two equal finishers is the winner, based on past performance. • COUNTBACK n. a system of deciding the winner of a tied competition by comparing earlier points or scores. |
| CRYOBANKS | • cryobanks n. Plural of cryobank. • CRYOBANK n. a place for storing human tissue at very low temperatures. |
| KNOCKBACK | • knockback n. A blow that causes the recipient to fall or move backwards, a knock back; a recoil. • knockback n. Something that impedes or reverses progress; a setback. • knockback n. (UK, Australia, informal) A rejection; a refusal. |
| LOANBACKS | • loanbacks n. Plural of loanback. • loan-backs n. Plural of loan-back. • LOANBACK n. a system operated by some life assurance companies whereby the assured may borrow back some of the money he has invested. |
| NONBLACKS | • nonblacks n. Plural of nonblack. • NONBLACK n. one that is not black. |
| NOTCHBACK | • notchback n. A motor car whose rear window makes an angle with its back segment. • NOTCHBACK n. a car whose roof does not slope continuously from the roof to the bumper, but juts out from the bottom of the rear window. |
| THORNBACK | • thornback n. Any animal with a thorny back, especially marine animals, such as… • thornback n. (Archaic) A woman over a certain age (variously 26 or 30) who has never married, older than a spinster. • THORNBACK n. a kind of skate having thornlike spines on its back, aka roker. |