n. A system or body of doctrines or opinions held by a number of persons and constituting the distinctive doctrines of a school, as propounded originally by the founder or founders of the school and (usually) developed or modified by later adherents; also and usually, the body of persons holding such doctrines or opinions; a school of philosophy or of philosophers: as, the sect of Epicurus; the sect of the Epicureans.n. A party or body of persons who unite in holding certain special doctrines or opinions concerning religion, which distinguish them from others holding the same general religious belief; a distinct part of the general body of persons claiming the same religious name or origin; especially, such a party of innovators, differing in their beliefs from those who support the older or orthodox views; a party or faction in a religious body; a separate ecclesiastical organization; an ecclesiastical denomination: as, the sects of the Jewish religion (which were not separately organized); the sects of the Christian church (usually separately organized); Mohammedan sects; Buddhist sects.n. A religion.n. In a general sense, a number of persons holding the same opinions or practising the same customs, or having common associations or interests; a party; following; company; faction.n. Kind; sex: originally merely a particular use of sect in sense 4, but now regarded as a form of sex, and as such avoided as incorrect.n. Apparel; likeness.n. A part cut off; a cutting; scion.n. In geometry: A part cut out on a straight line; a limited straight line or rod; the part or piece of a straight line between two definite points (end-points of the sect); a portion of a given straight line, of definite length.n. A piece of a range bounded by two points.n. Two points, A and B, upon a straight adjectiveIn mathematics, of sects; operating with sects.[lowercase or cap.] An abbreviation of section.