| ATROPIN | • atropin n. Alternative spelling of atropine. • ATROPIN n. a medicine derived from the deadly nightshade, also ATROPIA, ATROPINE. |
| CRISPIN | • Crispin prop.n. A male given name from Latin. • Crispin prop.n. A Roman shoemaker, martyr and saint, and brother of Crispinian; patron saint of cobblers and tanners. • Crispin n. (Humorous, dated) A shoemaker. |
| DUCKPIN | • duckpin n. A short, squat form of tenpin. • DUCKPIN n. a type of bowling pin. |
| FIVEPIN | • fivepin n. Any of the bottle-shaped targets with rubber rings around them that are used in fivepin bowling. • five-pin n. (Bowling) five-pin bowling (played only in Canada). • FIVEPIN adj. used for playing fivepins. |
| GALOPIN | • galopin n. (Scotland, obsolete) A boy employed in a kitchen. • GALOPIN n. (obsolete) an errand boy, kitchen boy. |
| HAIRPIN | • hairpin n. A pin or fastener for the hair. • hairpin n. (Biology) A kind of ribozyme; hairpin ribozyme. • hairpin n. (Chiefly attributive) A very tight bend in a road; a hairpin bend. |
| HEADPIN | • headpin n. (Ten-pin bowling) The kingpin. • headpin n. A straight metal wire with a flat end, used for beads in jewelry making. • HEADPIN n. a bowling pin. |
| INCHPIN | • INCHPIN n. (obsolete) the sweetbread of a deer. |
| ISOSPIN | • isospin n. (Physics) A quantum number or symmetry related to the strong interaction. • ISOSPIN n. a quantum number applied to members of closely related groups of particles. |
| JALAPIN | • jalapin n. The active principle of scammony, the glucoside with chemical formula C34H114O6, a powerful purgative. • JALAPIN n. a glucoside resin, one of the purgative principles of jalap. |
| KINGPIN | • kingpin n. (Transport) The axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt. • kingpin n. (Transport) The pivot or connector between a tractor and trailer in the fifth-wheel coupling of semi-trailer truck. • kingpin n. (Ten-pin bowling) The pin at the centre of the triangle of bowling pins (originally the tallest pin… |
| NINEPIN | • ninepin n. The wooden pin used in the game of ninepins; a skittle. • NINEPIN n. a wooden pin used in a bowling game. |
| PUSHPIN | • pushpin n. (Countable) A thumbtack, especially one with a cylindrical head. • pushpin n. (Archaic, uncountable) An old children’s game where pins are placed on a table and each player tries… • pushpin v. (Transitive) To fasten with a thumbtack. |
| SCULPIN | • sculpin n. A small fish of the family Cottidae, usually lacking scales. Often found on river bottoms and in tidal pools. • sculpin n. (Slang, obsolete) A person who makes mischief. • SCULPIN n. the scorpion fish, also SKULPIN. |
| SKULPIN | • skulpin n. Alternative form of sculpin. • SKULPIN n. a kind of fish, aka scorpion fish, also SCULPIN. |
| TOPSPIN | • topspin n. A rotational motion, especially that given to a ball, in which the upper surface spins in the direction of motion. • topspin n. (Uncountable, television, film, publishing) An edgy, quirky or otherwise engaging quality that holds… • topspin v. (Transitive) To spin (a ball) with this motion. |