essayn.[F. essai, fr. L. exagium a weighing, weight, balance; ex out + agere to drive, do; cf. examen, exagmen, a means of weighing, a weighing, the tongue of a balance, exigere to drive out, examine, weigh, Gr. 'exa`gion a weight, 'exagia`zein to examine, 'exa`gein to drive out, export. See Agent, and cf. Exact, Examine, Assay.]1. An effort made, or exertion of body or mind, for the performance of anything; a trial; attempt; as, to make an essay to benefit a friend.(M. Arnold.)2. (Lit.) A composition treating of any particular subject; -- usually shorter and less methodical than a formal, finished treatise; as, an essay on the life and writings of Homer; an essay on fossils, or on commerce.()3. An assay. See Assay, n.()()v. t.[F. essayer. See Essay, n.]1. To exert one's power or faculties upon; to make an effort to perform; to attempt; to endeavor; to make experiment or trial of; to try.()What marvel if I thus essay to sing? (Byron.)Essaying nothing she can not perform. (Emerson.)A danger lest the young enthusiast . . . should essay the impossible. (J. C. Shairp.)2. To test the value and purity of (metals); to assay. See Assay.(Locke.)