from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The boundary line of a circle.
- n. The boundary line of a figure, area, or object.
- n. The length of such a boundary.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The line that bounds a circle or other two-dimensional figure
- n. The length of such a line
- n. The surface of a round or spherical object
- v. To include in a circular space; to bound.
from the GNU version of the Collaborative International Dictionary of English
- n. The line that goes round or encompasses a circular figure; a periphery.
- n. A circle; anything circular.
- n. The external surface of a sphere, or of any orbicular body.
- transitive v. To include in a circular space; to bound.
from The Century Dictionary and Cyclopedia
- n. The line that bounds a circle; by extension, the bounding line of any regular plane curvilinear figure; a periphery: as, the circumference of a circle or an ellipse. The circumference of a sphere is that of a great circle of the sphere.
- n. Hence Loosely, any bounding line: as, the circumference of a city.
- n. The space included in a circle; anything circular in form.
- n. A going about; circumlocution.
- To include in a circular or spherical space.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the boundary line encompassing an area or object
- n. the length of the closed curve of a circle
- n. the size of something as given by the distance around it
Middle English, from Old French circonference, from Latin circumferentia, from circumferēns, circumferent-, present participle of circumferre, to carry around : circum-, circum- + ferre, to carry; see bher-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin circumferentia, circum around; ferre carry (Wiktionary)