To come down or fall with the sound of a flat impact; to make a light slapping sound.
Mid 19th century; earliest use found in William Thackeray (1811–1863), novelist. Imitative. Compare plash, plash, flap, slap.
“He came down with a plap, jumped to his feet and carried on running.”
A custom, principle, or belief distinguishing a particular class or group of people, especially a long-standing one regarded as outmoded or no longer important.
Mid 17th century: from Hebrew šibbōleṯ ‘ear of corn’, used as a test of nationality by its difficult pronunciation (Judg. 12:6).
A conference or meeting to discuss a particular subject./ A collection of essays or papers on a particular subject by a number of contributors.
Late 16th century (denoting a drinking party): via Latin from Greek sumposion, from sumpotēs ‘fellow drinker’, from sun- ‘together’ + potēs ‘drinker’.