three-square


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three-square

(thrē′skwâr′)
adj.
Having an equilateral triangular cross section: a three-square file.

three-square

adj
(Tools) having a cross section that is an equilateral triangle: a three-square file.

three′-square′



adj.
having an equilateral triangular cross section: a three-square file.
[1400–50]
References in periodicals archive ?
Hennebery Eddy Architects and Ankrom Moisan Architects were the only local firms to get the maximum three-square rating in that particular area.
Rhinestone bangles, three-square design, $68, and bar design, $70; ANNELLE PRIMOS AND ASSOCIATES, 45001-55 N.
According to Schuyler, the common three-square (Schoenoplectus pungens), can transmit oxygen to underwater microorganisms capable of decomposing oil.
Even a non-cyclic three-square would be impressive if doubly magic and not dependent on abbreviations.