| 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. |
"If I coveted nowe to avenge the injuries that you have done me, I myght laughe in my slyve." [John Daus, "Sleidanes Commentaries," 1560]The noun is first attested 1680s, from the verb. Meaning "a cause of laughter" is from 1895; ironic use (e.g. that's a laugh) attested from 1930. Nitrous oxide has been called laughing gas since 1842 (for its exhilarating effects). Laugh track "canned laughter on a TV program" is from 1966.
laugh out of court
Dismiss with ridicule or scorn, as in When he told them the old car could be repaired, they laughed him out of court. This expression, which originally referred to a case so laughable or trivial that a court of law would dismiss it, originated in ancient Roman times but has been used in English, without its former legal significance, since the late 1800s.