Default \De*fault"\, v. i. [imp. & p. p. Defaulted; p. pr. & vb. n. Defaulting.]

1. To fail in duty; to offend.

That he gainst courtesy so foully did default. --Spenser.

2. To fail in fulfilling a contract, agreement, or duty.

3. To fail to appear in court; to let a case go by default.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Default \De*fault"\, v. t.

1. To fail to perform or pay; to be guilty of neglect of; to omit; as, to default a dividend.

What they have defaulted towards him as no king. --Milton.

2. (Law) To call a defendant or other party whose duty it is to be present in court, and make entry of his default, if he fails to appear; to enter a default against.

3. To leave out of account; to omit. [Obs.]

Defaulting unnecessary and partial discourses. --Hales.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Default \De*fault"\, n. [OE. defaute, OF. defaute, defalte, fem., F. d['e]faut, masc., LL. defalta, fr. a verb meaning, to be deficient, to want, fail, fr. L. de- + fallere to deceive. See Fault.]

1. A failing or failure; omission of that which ought to be done; neglect to do what duty or law requires; as, this evil has happened through the governor's default.

2. Fault; offense; ill deed; wrong act; failure in virtue or wisdom.

And pardon craved for his so rash default. --Spenser.

Regardless of our merit or default. --Pope.

3. (Law) A neglect of, or failure to take, some step necessary to secure the benefit of law, as a failure to appear in court at a day assigned, especially of the defendant in a suit when called to make answer; also of jurors, witnesses, etc.

In default of, in case of failure or lack of.

Cooks could make artificial birds and fishes in default of the real ones. --Arbuthnot.

To suffer a default (Law), to permit an action to be called without appearing to answer.

Source: Webster's Revised Unabridged Dictionary (1913)