Webster's Revised Unabridged Dictionary · 1913

Feast

Feast (fēst) , noun

[Old English feste festival, holiday, feast, Old French feste festival, French fête, from Latin festum, pl. festa, from festus joyful, festal; of uncertain origin. Compare Fair, n., Festal, Fête.]

1.
A festival; a holiday; a solemn, or more commonly, a joyous, anniversary.
The seventh day shall be a feast to the Lord. — Ex. xiii. 6
Now his parents went to Jerusalem every year at the feast of the passover. — Luke ii. 41

An Ecclesiastical feast is called a immovable feast when it always occurs on the same day of the year; otherwise it is called a movable feast. Easter is a notable movable feast.

2.
A festive or joyous meal; a grand, ceremonious, or sumptuous entertainment, of which many guests partake; a banquet characterized by tempting variety and abundance of food.
Enough is as good as a feast. — Old Proverb
Belshazzar the King made a great feast to a thousand of his lords. — Dan. v. 1
3.
That which is partaken of, or shared in, with delight; something highly agreeable; entertainment.
The feast of reason, and the flow of soul. — Pope
Collocations (1)
Feast day , a holiday; a day set as a solemn commemorative festival.

Feast , intransitive verb

[Old English festen, compare Old French fester to rest from work, French fêter to celebrate a holiday. See Feast, n.]

1.
To eat sumptuously; to dine or sup on rich provisions, particularly in large companies, and on public festivals.
And his sons went and feasted in their houses. — Job. i. 4
2.
To be highly gratified or delighted.
With my love's picture then my eye doth feast. — Shakespeare

Feast , transitive verb

1.
To entertain with sumptuous provisions; to treat at the table bountifully; as, he was feasted by the king. — Hayward
2.
To delight; to gratify; as, to feast the soul.
Feast your ears with the music a while. — Shakespeare