| BACKSPINS | • backspins n. Plural of backspin. • BACKSPIN n. a backward rotation. |
| CECROPINS | • cecropins n. Plural of cecropin. • CECROPIN n. a peptide with antibacterial properties, originally obtained from the cecropia moth. |
| CRANKPINS | • crankpins n. Plural of crankpin. • CRANKPIN n. the handle of a crank. |
| DOWNSPINS | • DOWNSPIN n. a spinning motion. |
| DRIFTPINS | • driftpins n. Plural of driftpin. • DRIFTPIN n. a metal pin for securing timbers. |
| LINCHPINS | • linchpins n. Plural of linchpin. • linchpins v. Third-person singular simple present indicative form of linchpin. • LINCHPIN n. a locking pin inserted in the end of a shaft, also LYNCHPIN. |
| LYNCHPINS | • lynchpins n. Plural of lynchpin. • lynchpins v. Third-person singular simple present indicative form of lynchpin. • LYNCHPIN n. a locking pin inserted in the end of a shaft, also LINCHPIN. |
| OVERSPINS | • overspins v. Third-person singular simple present indicative form of overspin. • OVERSPIN n. a forward spin imparted to a ball. |
| RIFAMPINS | • rifampins n. Plural of rifampin. • RIFAMPIN n. an antibiotic. |
| SCARFPINS | • scarfpins n. Plural of scarfpin. • SCARFPIN n. a pin for fastening a scarf. |
| SIDESPINS | • sidespins n. Plural of sidespin. • SIDESPIN n. a type of spin imparted to a ball. |
| STICKPINS | • stickpins n. Plural of stickpin. • STICKPIN n. a decorative tiepin. |
| TAILSPINS | • tailspins n. Plural of tailspin. • TAILSPIN v. to perform a kind of spin in an aeroplane. |
| TERRAPINS | • terrapins n. Plural of terrapin. • TERRAPIN n. any of various webfooted pond or river turtles. |
| THOLEPINS | • tholepins n. Plural of tholepin. • THOLEPIN n. a pin that serves as an oarlock. |
| UNDERPINS | • underpins v. Third-person singular simple present indicative form of underpin. • UNDERPIN v. to support from below. |