TREATER
Treat"er, n.
Defn: One who treats; one who handles, or discourses on, a subject; also, one who entertains.
TREATISE
Trea"tise, n. Etym: [OE. tretis, OF. treitis, traitis, well made. See
Treat.]
1. A written composition on a particular subject, in which its principles are discussed or explained; a tract. Chaucer. He published a treatise in which he maintained that a marriage between a member of the Church of England and a dissenter was a nullity. Macaulay.
Note: A treatise implies more form and method than an essay, but may fall short of the fullness and completeness of a systematic exposition.
2. Story; discourse. [R.] Shak.
TREATISER
Trea"tis*er, n.
Defn: One who writes a treatise. [Obs.]
TREATMENT
Treat"ment, n. Etym: [Cf. F. traitement. See Treat.]
1. The act or manner of treating; management; manipulation; handling; usage; as, unkind treatment; medical treatment.