To come or go into] to pass into the interior
of; to pass within the outer cover or shell of; to penetrate; to
pierce; as, to enter a house, a closet, a country, a door,
etc.; the river enters the sea.
To unite in; to join; to be admitted to;
to become a member of; as, to enter an association, a college,
an army.
To engage in; to become occupied with; as,
to enter the legal profession, the book trade, etc.
To pass within the limits of; to attain;
to begin; to commence upon; as, to enter one's teens, a new
era, a new dispensation.
To cause to go (into), or to be received
(into); to put in; to insert; to cause to be admitted; as, to
enter a knife into a piece of wood, a wedge into a log; to
enter a boy at college, a horse for a race, etc.
To inscribe; to enroll; to record; as, to
enter a name, or a date, in a book, or a book in a catalogue;
to enter the particulars of a sale in an account, a manifest
of a ship or of merchandise at the customhouse.
To go
into or upon, as lands, and take actual possession of them.
To make report of (a vessel or her cargo)
at the customhouse; to submit a statement of (imported goods), with
the original invoices, to the proper officer of the customs for
estimating the duties. See Entry, 4.
To file or inscribe upon the records of
the land office the required particulars concerning (a quantity of
public land) in order to entitle a person to a right pf
preëmption.
To deposit for copyright the title or
description of (a book, picture, map, etc.); as, "entered
according to act of Congress."
To initiate; to introduce
favorably.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
