| AIRHEADS | • airheads n. Plural of airhead. • air-heads n. Plural of air-head. • AIRHEAD n. an empty-headed, superficial person. |
| DIARRHEA | • diarrhea n. A gastrointestinal disorder characterized by frequent and very soft or watery bowel movements. • diarrhea n. The watery or very soft excrement that comes from such bowel movements. • DIARRHEA n. a persistent purging or looseness of the bowels, also DIARRHOEA. |
| GEARHEAD | • gearhead n. A mechanical device used to increase the torque of gears. • gearhead n. (Informal) An enthusiast for new technology, or for motoring. • gear␣head n. Alternative spelling of gearhead. |
| HOARHEAD | • hoarhead n. (Obsolete, poetic) An old person with grey hair. • HOARHEAD n. a hoary-headed old man. |
| JARHEADS | • jarheads n. Plural of jarhead. • JARHEAD n. an American marine soldier. |
| OVERHEAD | • overhead adj. Located above, especially over the head. • overhead adj. (Soccer) kicked over one’s own head. • overhead n. (Uncountable, business, accounting) The expense of a business not directly assigned to goods or services provided. |
| OVERHEAP | • overheap v. (Transitive) To heap too high; heap up excessively; supply too much of. • OVERHEAP v. to heap up to excess. |
| OVERHEAR | • overhear v. (Transitive, intransitive) To hear something that was not meant for one’s ears. • OVERHEAR v. to hear without the speaker's knowledge or intention. |
| OVERHEAT | • overheat v. (Transitive) To heat excessively. • overheat v. (Intransitive) To become excessively hot. • overheat n. A condition of being overheated. |
| PIERHEAD | • pierhead n. The end of a pier farthest from shore. • PIERHEAD n. the seaward end of a pier. |
| PYORRHEA | • pyorrhea n. An inflammation of the gums in which the teeth become loose; chronic periodontitis. • pyorrhea n. A discharge of pus. • PYORRHEA n. pus in the sockets of the teeth. |
| WARHEADS | • warheads n. Plural of warhead. • WARHEAD n. the explosive part of a missile. |