| HORNBEAKS | • hornbeaks n. Plural of hornbeak. • HORNBEAK n. a dialect name for the garfish. |
| HORNBEAMS | • hornbeams n. Plural of hornbeam. • HORNBEAM n. a small hardwood tree, also HARDBEAM. |
| HORNBILLS | • hornbills n. Plural of hornbill. • HORNBILL n. a bird with a horny excrescence on its bill. |
| HORNBOOKS | • hornbooks n. Plural of hornbook. • HORNBOOK n. an ancient child's schoolbook comprising alphabet, digits, etc. on parchment covered with sheet of horn. |
| HORNGELDS | • horngelds n. Plural of horngeld. • HORNGELD n. a feudal rent based upon the number of horned cattle. |
| HORNINESS | • horniness n. Quality of being horny, of having a texture like horn. • horniness n. (Slang, vulgar) The state, quality, or extent of being horny or sexually excited. • HORNINESS n. the state of being horny. |
| HORNPIPES | • hornpipes n. Plural of hornpipe. • horn␣pipes n. Plural of horn pipe. • HORNPIPE n. a lively British folk dance. |
| HORNPOUTS | • hornpouts n. Plural of hornpout. • HORNPOUT n. a kind of catfish. |
| HORNSTONE | • hornstone n. Hornfels. • HORNSTONE n. an alternative name sometimes given to chert. |
| HORNTAILS | • horntails n. Plural of horntail. • HORNTAIL n. a hymenopterous insect with a stout ovipositor, aka wood wasp. |
| HORNWORKS | • hornworks n. Plural of hornwork. • HORNWORK n. work in horn. |
| HORNWORMS | • hornworms n. Plural of hornworm. • HORNWORM n. the lava of a hawkmoth. |
| HORNWORTS | • hornworts n. Plural of hornwort. • HORNWORT n. an aquatic herb. |
| HORNWRACK | • hornwrack n. (Zoology) A bryozoan of the genus Flustra. • HORNWRACK n. a bryozoan of the genus Flustra. |
| HORNYHEAD | • hornyhead n. Any North American chubs of the genus Nocomis, especially Nocomis biguttatus. • HORNYHEAD n. a North American river chub. |
| HORNYWINK | • hornywink n. (UK, dialect, obsolete) A plover. • HORNYWINK n. (dialect) a lapwing. |