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The Collaborative International Dictionary of English v.0.48 (gcide)

Promontory \Prom"on*to*ry\, n.; pl. {Promontories}. [ L.
promonturium, promunturium; pro before mons, montis,
mountain: cf. F. promontoire. See {Mount}, n.]
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1. (Phys. Geog.) A high point of land or rock projecting into
the sea beyond the line of coast; a headland; a high cape.
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Like one that stands upon a promontory. --Shak.
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2. (Anat.) A projecting part. Especially:
(a) The projecting angle of the ventral side of the sacrum
where it joins the last lumbar vertebra.
(b) A prominence on the inner wall of the tympanum of the
ear.
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Doubling \Dou"bling\, n.
1. The act of one that doubles; a making double;
reduplication; also, that which is doubled.
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2. A turning and winding; as, the doubling of a hunted hare;
shift; trick; artifice. --Dryden.
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3. (Her.) The lining of the mantle borne about the shield or
escutcheon.
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4. The process of redistilling spirits, to improve the
strength and flavor.
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5. raising the stakes in a game, such as a card game or
backgammon, by a factor of 2.

Syn: double.
[WordNet 1.5]

{Doubling a cape}, {promontory}, etc. (Naut.), sailing around
or passing beyond a cape, promontory, etc.
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