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Having the posterior tarsal scales, or scutella, rectangular and arranged in regular rows; -- said of certain birds.

y system of rudders by which the pilot can exert a turning moment about each of the three rectangular axes of an aëroplane or airship.

n the frieze of the Doric order, repeated at equal intervals. Each triglyph consists of a rectangular tablet, slightly projecting, and divided nearly to the top by two parallel and perpendicular gutters, or channels, called glyphs, into three parts, or spaces, called femora. A half channel, or glyph, is also cut upon e…

of a long and narrow shape; as, trough between two ridges, etc. Trough gutter (Arch.), a rectangular or V-shaped gutter, usually hung below the eaves of a house. -- Trough of the sea, the depression between two waves.

A decorative cabinet, of a form originating in Spain, the body being rectangular and supported on legs or an ornamental framework and the front opening downwards on hinges to serve as a writing desk.

An instrument somewhat resembling the spinet, but having a rectangular form, like the small piano. It had strings and keys, but only one wire to a note. The instrument was used in the sixteenth century, but is now wholly obsolete. It was sometimes called a pair of virginals.

A solid of five sides, having a rectangular base, two rectangular or trapezoidal sides meeting in an edge, and two triangular ends.

A rectangular rent made in cloth; -- called also winkle-hole. [Local, U. S.] Bartlett.