| ARTHROSCOPE | • arthroscope n. (Medicine) A form of endoscope used in arthroscopy. • ARTHROSCOPE n. an instrument for examining the interior of a joint. |
| ARTHROSCOPY | • arthroscopy n. The examination of the interior of a joint (such as the knee) using an arthroscope. • ARTHROSCOPY n. the examination of joints with an arthroscope. |
| ARTHROSPORE | • arthrospore n. A sporelike cell produced by some fungi and algae. • arthrospore n. A similar cell produced by some bacteria. • ARTHROSPORE n. another name for an oidium. |
| CRAPSHOOTER | • crapshooter n. A person who plays the game of craps. • CRAPSHOOTER n. one who plays craps. |
| GROATSWORTH | • groatsworth n. (Historical) An object or quantity that can be purchased for a groat; hence (figurative) a small amount; a morsel. • GROATSWORTH n. (obsolete) the value of a groat. |
| HORRISONANT | • horrisonant adj. Having an unpleasant sound. • HORRISONANT adj. dreadful-sounding, also HORRISONOUS. |
| ORNITHOSAUR | • ORNITHOSAUR n. a pterodactyl. |
| ORTHOGRAPHS | • orthographs n. Plural of orthograph. • ORTHOGRAPH n. a drawing in orthographic projection. |
| ORTHOPRAXES | • ORTHOPRAXIS n. correct practice in religion. |
| ORTHOPRAXIS | • orthopraxis n. Orthopraxy. • ORTHOPRAXIS n. correct practice in religion. |
| ORTHOREXIAS | • ORTHOREXIA n. an eating disorder characterized by excessive focus on eating healthy foods. |
| OUTHARBOURS | • outharbours n. Plural of outharbour. |
| PROTHORACES | • prothoraces n. Plural of prothorax. • PROTHORAX n. the first or anterior segment of the thorax in insects. |
| PROTHORAXES | • prothoraxes n. Plural of prothorax. • PROTHORAX n. the first or anterior segment of the thorax in insects. |
| SAPROTROPHS | • saprotrophs n. Plural of saprotroph. • SAPROTROPH n. any organism, esp. a fungus or bacterium, that lives and feeds on dead organic matter, also SAPROBIONT. |
| SHORTBOARDS | • shortboards n. Plural of shortboard. • SHORTBOARD n. a surfboard between six and eight feet in length. |
| THROATWORTS | • throatworts n. Plural of throatwort. • THROATWORT n. a plant formerly considered a remedy for sore throats because of its throat-shaped corolla. |
| TORSIOGRAPH | • torsiograph n. An instrument for measuring the torsion of the crankshaft of an engine. • TORSIOGRAPH n. an instrument for recording torsional vibrations on an object. |
| TRAPSHOOTER | • trapshooter n. A participant in the sport of trapshooting. • TRAPSHOOTER n. a person who engages in trapshooting. |