Webster's Revised Unabridged Dictionary · 1913

Habit

Habit (hab"it) , noun

[Old English habit, abit, French habit, from Latin habitus state, appearance, dress, from habere to have, be in a condition; prob. akin to English have. See Have, and compare Able, Binnacle, Debt, Due, Exhibit, Malady.]

1.
The usual condition or state of a person or thing, either natural or acquired, regarded as something had, possessed, and firmly retained; as, a religious habit; his habit is morose; elms have a spreading habit; esp., physical temperament or constitution; as, a full habit of body.
2.
(Biology) The general appearance and manner of life of a living organism.
3.
Fixed or established custom; ordinary course of conduct; practice; usage; hence, prominently, the involuntary tendency or aptitude to perform certain actions which is acquired by their frequent repetition; as, habit is second nature; also, peculiar ways of acting; characteristic forms of behavior.
A man of very shy, retired habits. — W. Irving
4.
Outward appearance; attire; dress; hence, a garment; esp., a closely fitting garment or dress worn by ladies; as, a riding habit.
Costly thy habit as thy purse can buy. — Shakespeare
There are, among the statues, several of Venus, in different habits. — Addison
5.
The distinctive clothing worn commonly by nuns or monks; as, in the late 1900's many orders of nuns discarded their habits and began to dress as ordinary lay women.
How use doth breed a habit in a man! — Shakespeare
He who reigns... upheld by old repute, Consent, or custom — Milton

Habit (hab"it) , transitive verb

[Old English habiten to dwell, French habiter, from Latin habitare to have frequently, to dwell, intens. from habere to have. See Habit, n.]

1.
To inhabit. [Obsolete]
In thilke places as they [birds] habiten. — Rom. of R
2.
To dress; to clothe; to array.
They habited themselves like those rural deities. — Dryden
3.
To accustom; to habituate. [Obsolete]