| ARROWHEAD | • arrowhead n. (Weaponry) The pointed part of an arrow. • arrowhead n. (Symbol) The pointed part of an arrow. • arrowhead n. Any plant in the genus Sagittaria. |
| ARTHRODIA | • arthrodia n. (Anatomy) A form of diarthrodial articulation in which the articular surfaces are nearly flat, so that… • ARTHRODIA n. in zoology, a joint. |
| ARTHROPOD | • arthropod n. An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple… • ARTHROPOD n. any member of the phylum Arthropoda, members of which (e.g. insects, arachnids, and crustaceans) are characterized by segmented bodies and jointed limbs. |
| DIARRHOEA | • diarrhoea n. British form standard spelling of diarrhea. • diarrhœa n. (Chiefly British spelling) Archaic spelling of diarrhea. • DIARRHOEA n. a persistent purging or looseness of the bowels, also DIARRHEA. |
| DRAYHORSE | • DRAYHORSE n. a horse used to pull a dray. |
| HADROSAUR | • hadrosaur n. (Paleontology) Any ornithopod dinosaur of the family Hadrosauridae. • HADROSAUR n. a bird-hipped dinosaur of the Cretaceous. |
| HARBOURED | • harboured v. Simple past tense and past participle of harbour. • HARBOUR v. to shelter, also HARBOR. |
| HARDBOARD | • hardboard n. A high-density chipboard. • HARDBOARD n. compressed board made from wood fibre. |
| HARDCORES | • HARDCORE n. a style of rock music. |
| HARDCOURT | • hardcourt n. A tennis court having a hard surface, frequently concrete. • hard␣court n. Alternative form of hardcourt. • HARDCOURT adj. of tennis, played on a hard surface. |
| HARDCOVER | • hardcover n. A book with a rigid binding, often of cardboard or leather. • hardcover adj. (Of a book) Having a rigid binding. • HARDCOVER n. a book in hard covers, as opposed to a paperback. |
| HARDROCKS | • hardrocks n. Plural of hardrock. • HARDROCK n. (colloquial) a tough, uncompromising man. |
| HYDRATORS | • hydrators n. Plural of hydrator. • HYDRATOR n. something that hydrates. |
| NORTHWARD | • northward n. The direction or area lying to the north of a place. • northward adj. Situated or directed towards the north; moving or facing towards the north. • northward adv. Towards the north; in a northerly direction. |
| OVERHEARD | • overheard v. Simple past tense and past participle of overhear. • OVERHEAR v. to hear without the speaker's knowledge or intention. |
| ROUNDARCH | • ROUNDARCH adj. having semicircular arches, also ROUNDARCHED. |
| SHOREWARD | • shoreward adj. In the direction of the shoreline, relatively speaking. • shoreward adj. Facing the shore. • shoreward adv. Toward the shore. |