See Also: medialuna(medicine)

jackass (iou) and medialuna (medicine)


jackass (iou)



jackass noun. E18.
[from JACK noun1 + ASS noun1.]
A male ass or donkey. E18.
The kookaburra, Dacelo novaeguineae, so called from its loud discordant cry. Also more fully laughing jackass. L18.
b. In Tasmania: the grey butcher-bird, Cracticus torquatus. L19.
A stupid or foolish person; = ASS noun1 2. derog. E19.
I. Asimov He's an undiplomatic young jackass.
Nautical.
a. A kind of heavy rough boat used in Newfoundland, esp. a two-masted vessel with square sails on the mainmast, formerly used in seal hunting. E19.
b. A tapering canvas bag stuffed with oakum etc., used to block the hawse-holes of a seagoing vessel. US. L19.
Comb.: jackass barque a ship with the same sails as a barquentine but rigged differently; jackass brig: having a square topsail and topgallant-sail instead of a gaff-topsail; jackass-fish an Australian marine Food fish, Nemadactylus macropterus, with an elongated pectoral fin ray; also called morwong; jackass frigate a small frigate; jackass penguin a penguin, Spheniscus demersus, with a harsh braying cry; jackass-rabbit = JACKRABBIT; jackass-rigged adjective (of a schooner) having three masts with square sails set on the foremast and having no maintopmast; jackass schooner a jackass-rigged schooner.
ja'ckassery noun stupidity; a piece of folly: M19.

medialuna (medicine)


medialuna
<zoology> See Half-moon.

Origin: Sp. Media luna half-moon.

Source: Websters Dictionary