notch

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A V-shaped cut.
• noun Such a cut used for keeping a record.
• noun A narrow pass between mountains.
• noun Informal A level or degree.
• transitive verb To cut a notch in.
• transitive verb To record by or as if by making notches.
• transitive verb Informal To achieve; score.

from The Century Dictionary.

• To make an undercut in (a tree) preparatory to felling (it). Also undercut.
• noun A nick or indentation; a small hollow or nick cut or sunk in anything, as in the end of an arrow for the reception of the bowstring.
• noun In carpentry, a hollow cut in the face of a piece of timber for the reception of another piece.
• noun A narrow defile or passage between mountains; or, more properly, the entrance to such a defile, when it is nearly closed by precipices or walls of rock on either hand.
• noun A step or degree; a grade.
• noun A point in the game of cricket.
• noun In zoology and anatomy, an incision or incisure; an emargination: as, the interclavicular notch, the depression over the breast-bone between the prominent ends of the clavicles.
• noun In armor, the bouche of a shield.
• noun The large notch of the maxilla that forms the lateral and lower boundary of the entrance to the nasal cavity.
• To cut a notch or notches in; indent; nick; hack; as, to notch a stick.
• To place in a notch; fit to a string by the notch, as an arrow.
• In cricket, to mark or score; have as score the number of.
• noun The posterior or lower angle, formed by the meeting of the pubic bones. Same as pubic arch.
• noun Same as undercut, 2.

from the GNU version of the Collaborative International Dictionary of English.

• noun A hollow cut in anything; a nick; an indentation.
• noun A narrow passage between two elevations; a deep, close pass; a defile.
• transitive verb To cut or make notches in; to indent; also, to score by notches.
• transitive verb To fit the notch of (an arrow) to the string.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A V-shaped cut.
• noun Such a cut, used for keeping a record
• noun An indentation.
• noun A mountain pass; a defile
• noun informal A level or degree.
• verb transitive To cut a notch in (something).
• verb transitive To record (a score or similar) by making notches on something.
• verb transitive To join by means of notches.
• verb : (transitive) To achieve (something).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb cut or make a notch into
• noun a V-shaped indentation
• verb notch a surface to record something
• noun the location in a range of mountains of a geological formation that is lower than the surrounding peaks
• noun a small cut
• noun a V-shaped or U-shaped indentation carved or scratched into a surface