| HP or h.p. | |
| —abbreviation for | |
| 1. | (Brit) hire-purchase |
| 2. | horsepower |
| 3. | high pressure |
| 4. | (in Britain) Houses of Parliament |
| h.p. or h.p. | |
| —abbreviation for | |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |