Boon, a. [F. bon. See Boon, n.] 1. Good; prosperous; as, boon voyage.
2. Kind; bountiful; benign.
Which... Nature boon
Poured forth profuse on hill, and dale, and plain.
Milton.
3. Gay; merry; jovial; convivial.
A boon companion, loving his bottle.
Arbuthnot.