SECTOR 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…
SET v.
o state at large. -- To set over. (a) To appoint or constitute as supervisor, inspector, ruler, or commander. (b) To assign; to transfer; to convey. -- To set right, to correct; to put in order. -- To set sail. (Naut.) See under Sail, n. -- To set store by, to consider valuable. -- To set the fashion, to determine…