To move or pass into place, in any manner whatever; to come or go in; to walk or ride in; to flow in; to pierce or penetrate. A man enters a house; an army enters a city or a camp; a river enters the sea; a sword enters the body; the air enters a room at every crevice.

To advance into, in the progress of life; as, a youth has entered his tenth year.

To begin in a business, employment or service; to enlist or engage in; as, the soldier entered the service at eighteen years of age.

To become a member of; as, to enter college; to enter a society.

To admit or introduce; as, the youth was entered a member of College.

To set down in writing; to set an account in a book or register; as, the clerk entered the account or charge in the journal; he entered debt and credit at the time.

To set down, as a name; to enroll; as, to enter a name in the enlistment.

To lodge a manifest of goods at the custom-house, and gain admittance or permission to land; as, to enter goods. We say also, to enter a ship at the custom-house.

To go or come in; to pass into; as, to enter a country.

To flow in; as, water enters into a ship.

To pierce; to penetrate; as, a ball or an arrow enters into the body.

To penetrate mentally; as, to enter into the principles of action.

To engage in; as, to enter into business or service; to enter into visionary projects.

To be initiated in; as, to enter into a taste of pleasure or magnificence.

To be an ingredient; to form a constituent part. Lead enters into the composition of pewter.