Found 2 items, similar to straight arch.
English → English (WordNet) Definition: straight arch straight arch n : an arch with mutually supporting voussoirs that has a straight horizontal extrados and intrados [syn: flat arch ]
English → English (gcide) Definition: Straight arch Straight \Straight\, a. [Compar. Straighter; superl. Straightest.] [OE. strei?t, properly p. p. of strecchen to stretch, AS. streht, p. p. of streccan to stretch, to extend. See Stretch.] 1. Right, in a mathematical sense; passing from one point to another by the nearest course; direct; not deviating or crooked; as, a straight line or course; a straight piece of timber. [1913 Webster] And the crooked shall be made straight. --Isa. xl. 4. [1913 Webster] There are many several sorts of crooked lines, but there is only one which is straight. --Dryden. [1913 Webster] 2. (Bot.) Approximately straight; not much curved; as, straight ribs are such as pass from the base of a leaf to the apex, with a small curve. [1913 Webster] 3. (Card Playing) Composed of cards which constitute a regular sequence, as the ace, king, queen, jack, and ten-spot; as, a straight hand; a straight flush. [1913 Webster] 4. Conforming to justice and rectitude; not deviating from truth or fairness; upright; as, straight dealing. [1913 Webster] 5. Unmixed; undiluted; as, to take liquor straight. [Slang] [1913 Webster] 6. Making no exceptions or deviations in one's support of the organization and candidates of a political party; as, a straight Republican; a straight Democrat; also, containing the names of all the regularly nominated candidates of a party and no others; as, a straight ballot. [Political Cant, U.S.] [1913 Webster] Straight arch (Arch.), a form of arch in which the intrados is straight, but with its joints drawn radially, as in a common arch. A straight face, one giving no evidence of merriment or other emotion. A straight line. “That which lies evenly between its extreme points.” --Euclid. “The shortest line between two points.” --Chauvenet. “A line which has the same direction through its whole length.” --Newcomb. Straight-way valve, a valve which, when opened widely, affords a straight passageway, as for water. [1913 Webster]