| BACKFALL | • backfall n. (Wrestling) A fall or throw on the back. • backfall n. (Music) A lever in the coupler of an organ. • BACKFALL n. a fall or throw on the back in wrestling. |
| BACKFATS | • BACKFAT n. the layer of fat between the skin and muscle in animals. |
| BACKFILE | • backfile n. A file of documents in paper or fiche format that have no digital equivalent. • backfile n. A file containing non-current items. • BACKFILE n. the back numbers of a newspaper. |
| BACKFILL | • backfill v. To refill a hole with the material dug out of it. • backfill v. (Archaeology) To refill an excavation unit to restore the former ground surface and/or to preserve the… • backfill v. (US) To provide reserve support. |
| BACKFIRE | • backfire v. (Of a gun, cannon, Bunsen burner, etc.) To fire in the opposite direction, for example due to an obstruction… • backfire v. (Of an engine) To experience a premature ignition of fuel or an ignition of exhaust gases, making a popping sound. • backfire v. To fail in a manner that brings down further misfortune. |
| BACKFITS | • backfits v. Third-person singular simple present indicative form of backfit. • BACKFIT v. to modify later. |
| BACKFLIP | • backflip n. (Gymnastics) An act of rotating one’s body 360 degrees in the backward direction. • backflip n. (By extension) a total reversal in policy or opinion; a volte-face, a U-turn. • backflip v. To perform a backflip (rotation of body). |
| BACKFLOW | • backflow n. The flow of a fluid (Through a pipe etc.) in a direction opposite to that which is normal or intended. • backflow v. To flow in the wrong or backward direction. • BACKFLOW n. the action of flowing back towards a source. |
| BLACKFIN | • blackfin n. Bluefin tuna. • BLACKFIN n. a food fish, a kind of tuna. |
| BLACKFLY | • blackfly n. A black or dark green aphid (Aphis fabae) that is a common pest of agricultural crops. • blackfly n. Any of various small black bloodsucking flies of the family Simuliidae. • black␣fly n. Alternative spelling of blackfly. |
| JACKFISH | • jackfish n. A jack (in any of the senses referring to types of fish). • JACKFISH n. a food fish. |
| PACKFONG | • packfong n. Alternative form of paktong. • PACKFONG n. (Chinese) a Chinese alloy of nickel, zinc, and copper, also PAKFONG, PAKTHONG, PAKTONG. |
| RACKFULS | • rackfuls n. Plural of rackful. • RACKFUL n. as much as a rack can hold. |
| SACKFULS | • sackfuls n. Plural of sackful. • SACKFUL n. as much as a sack can hold. |
| WRACKFUL | • wrackful adj. Full of wrack or wreckage; ruinous; destructive. • WRACKFUL adj. destructive, also WRECKFUL. |