straight arch

Webster's Dictionary (GCIDE)

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]