Definition of essay-writing:
(n) :
(publishing) A written composition of moderate length, exploring a particular issue or subject.
(v) :
(dated, transitive) To attempt or try.
(n) :
(now rare) An attempt.
(n) :
(philately, finance) A proposed design for a postage stamp or a banknote.
(v) :
(intransitive) To move forth, as into battle.
(n) :
(obsolete) A test, experiment; an assay.