Breakfast \Break"fast\, n. [Break + fast.]

1. The first meal in the day, or that which is eaten at the first meal.

A sorry breakfast for my lord protector. --Shak.

2. A meal after fasting, or food in general.

The wolves will get a breakfast by my death. --Dryden.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Breakfast \Break"fast\, v. i. [imp. & p. p. breakfasted; p. pr. & vb. n. Breakfasting.]

To break one's fast in the morning; too eat the first meal in the day.

First, sir, I read, and then I breakfast. --Prior.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Breakfast \Break"fast\, v. t. To furnish with breakfast. --Milton.

Source: Webster's Revised Unabridged Dictionary (1913)