Webster's Revised Unabridged Dictionary · 1913

Boon

Boon (bon) , noun

[Old English bone, boin, a petition, from Icelandic bōn; akin to Swedish & Danish ban, Anglo-Saxon bēn, and perh. to English ban; but influenced by French bon good, from Latin bonus. r86. See 2d Ban, Bounty.]

1.
A prayer or petition. [Obsolete]
For which to God he made so many an idle boon. — Spenser
2.
That which is asked or granted as a benefit or favor; a gift; a benefaction; a grant; a present.
Every good gift and every perfect boon is from above. — James i. 17 (Rev. Ver. )

Boon , adjective

[French bon. See Boon, n.]

1.
Good; prosperous; as, boon voyage. [Obsolete]
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

Boon , noun

[Scot. boon, bune, been, Gael. & Ir. bunach coarse tow, from bun root, stubble.]

The woody portion flax, which is separated from the fiber as refuse matter by retting, braking, and scutching.