notch

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notch

US and Canadian a narrow pass or gorge
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

notch

[näch]
(electronics)
Rectangular depression extending below the sweep line of the radar indicator in some types of equipment.
(engineering)
A V-shaped indentation or cut in a surface or edge.
(geology)
A deep, narrow cut near the high-water mark at the base of a sea cliff.
(geography)
A narrow passage between mountains or through a ridge, hill, or mountain.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

notch

A cutout in a log or timber, usually at or near one of its ends, that is used to form a rigid joint when mated with another appropriately cutout log or timber at right angles to it; for example, at the corners of a log cabin or log house. See corner notch, diamond notch, double-saddle notch, dovetail notch, half-cut notch, half-dovetail notch, halved-and-lapped notch, lap notch, log notch, round notch, saddle notch, single notch, single-saddle notch, square notch, V-notch.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Index I, which depends on depth and width of the greater sciatic notch, was accordingly quite helpful in the sexing of hip bones.
The upper part of greater sciatic notch in sex determination of pathologically deformed hip bones.
The greater sciatic notch in American whites and Negroes.
RESULTS: A significant difference was noted both in maximum width (AB) as well as in maximum depth (OC) of the greater sciatic notches of male and female hip bones on the left side (p<.05); while the difference in the posterior segment of the width (OB) of the greater sciatic notches was significant on the right side (p<.05).
Similarly, significant differences were found in the indices I and II of greater sciatic notches on the right and left sides, respectively (p < .05).
Though width and depth of the greater sciatic notches are widely believed to be of great value in sex determination, the present metrical study has shown that they are in fact of utmost importance.

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