Lectionary Calendar
Saturday, April 19th, 2025
Holy Saturday
Easter is tomorrow
Attention!
Tired of seeing ads while studying? Now you can enjoy an "Ads Free" version of the site for as little as 10¢ a day and support a great cause!
Click here to learn more!

Bible Dictionaries
Sector

Webster's Dictionary

Search for…
or
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Prev Entry
Sectiuncle
Next Entry
Sectoral
Resource Toolbox

(1):

(n.) A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.

(2):

(n.) An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.

(3):

(n.) A part of a circle comprehended between two radii and the included arc.

Bibliography Information
Webster, Noah. Entry for 'Sector'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/sector.html. 1828.
 
adsfree-icon
Ads FreeProfile