| BOLTROPE | • boltrope n. Alternative spelling of bolt rope. • bolt-rope n. Alternative spelling of bolt rope. • bolt␣rope n. (Nautical) Rope sewn around the edges of a sail to prevent tearing or fraying. |
| OVERPLOT | • overplot v. (Transitive) To plot (data) on top of a previous plot. • OVERPLOT v. to devise an overly complex plot for. |
| PLIOTRON | • pliotron n. A hard vacuum triode. • PLIOTRON n. a type of vacuum tube. |
| POLTROON | • poltroon n. An ignoble or total coward; a dastard; a mean-spirited wretch. • poltroon adj. Cowardly. • POLTROON n. a despicable coward, also POULTROONE. |
| PORTHOLE | • porthole n. (Archaic) A gunport; an opening in the hull of a ship through which cannon are fired. • porthole n. (Nautical) A circular window set in the hull of a ship. • PORTHOLE n. a small window in a ship's side. |
| PORTOLAN | • portolan n. (Historical, nautical) A chart of European navigable waters based on descriptions of coasts. • PORTOLAN n. (Italian) in the Middle Ages, a navigation manual, also PORTOLANO, PORTULAN. |
| POSTORAL | • postoral adj. (Anatomy) Situated behind, or posterior to, the mouth. • post-oral adj. (Anatomy) Alternative spelling of postoral. • POSTORAL adj. situated behind the mouth. |
| POTHOLER | • potholer n. (British English) Someone who explores potholes as a hobby. • POTHOLER n. someone who explores limestone potholes. |
| PRONOTAL | • pronotal adj. Of or pertaining to the pronotum. • PRONOTAL adj. pertaining to the pronotum. |
| PROTOCOL | • protocol n. (Now chiefly historical) The minutes, or official record, of a negotiation or transaction; especially… • protocol n. (International law, now rare) An official record of a diplomatic meeting or negotiation; later specifically… • protocol n. (International law) An amendment to an official treaty. |
| PULMOTOR | • pulmotor n. An apparatus for producing artificial respiration by pumping oxygen and/or air into and out of the lungs… • PULMOTOR n. a respiratory device. |
| STOLPORT | • STOLport n. (Aviation) An airport designed for STOL or short-field operations. • STOLPORT n. an airport for aircraft needing shorter runways. |
| TROLLOPS | • trollops n. Plural of trollop. • TROLLOP v. to act or dress like a trollop. |
| TROLLOPY | • trollopy adj. Like a trollop. • TROLLOPY adj. like a trollop. |
| TROOPIAL | • troopial n. Archaic form of troupial. • TROOPIAL n. any of various American orioles, also TROUPIAL. |
| UPROOTAL | • uprootal n. The act or process of uprooting; the state of being uprooted. • UPROOTAL n. the act of uprooting. |