Quadra

n. pl. Quadræ .

[L., a square, the socle, a platband, a fillet.]
(Arch.) (a) The plinth, or lowest member, of any pedestal, podium, water table, or the like. (b) A fillet, or listel.

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A family of Macintosh computers that was popular in the early 1990s. See Macintosh.

Quadra 900

By this time, the hardware was fast enough to truly accommodate the sophisticated graphics-based software introduced years before. (Image courtesy of Apple Inc.)

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1. A square frame or border enclosing a bas-relief.
2. The plinth of a podium.
3. Any small molding of plain or square section, as one of the fillets above or below the scotia of an Ionic base.

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Quadra 7 Norelco	norelco quadra action