1. thorn - Noun
2. thorn - Verb
3. Thorn - Proper noun
A hard and sharp-pointed projection from a woody stem; usually, a branch so transformed; a spine.
Any shrub or small tree which bears thorns; especially, any species of the genus Crataegus, as the hawthorn, whitethorn, cockspur thorn.
Fig.: That which pricks or annoys as a thorn; anything troublesome; trouble; care.
The name of the Anglo-Saxon letter /, capital form /. It was used to represent both of the sounds of English th, as in thin, then. So called because it was the initial letter of thorn, a spine.
To prick, as with a thorn.
Source: Webster's dictionaryOne thorn of experience is worth a whole wilderness of warning. James Russell Lowell
Only in art will the lion lie down with the lamb, and the rose grow without thorn. Martin Amis
Pippa's Song The year's at the spring The day's at the morn Morning's at seven, The Hill side's dew-pearled The lark's on the wing The snail's on the thorn God's in his heaven- All's right with the world. Robert Browning
If you want to dismantle a hedge, remove one thorn bush at a time. Somali Proverb
He who want a rose must respect the thorn. Persian Proverb
A thorn pierces young skin more quickly than old. Serbian Proverb