Briar vs. Thorn

Difference Between Briar and Thorn
Briarnoun
Any of many plants with thorny stems growing in dense clusters, such as many in the Rosa, Rubus, and Smilax genera.
Thornnoun
(botany) A sharp protective spine of a plant.
Briarnoun
(figurative) Anything sharp or unpleasant to the feelings.
Thornnoun
Any shrub or small tree that bears thorns, especially a hawthorn.
the white thornthe cockspur thornBriarnoun
The white heath, Erica arborea, a thorny Mediterranean shrub.
Thornnoun
(figurative) That which pricks or annoys; anything troublesome.
Briarnoun
A pipe for smoking, made from the roots of that shrub.
Thornnoun
A letter of Latin script (capital: Þ, small: þ), borrowed by Old English from the futhark to represent a dental fricative, then not distinguished from eth, but in modern use (in Icelandic and other languages, but no longer in English) used only for the voiceless dental fricative found in English thigh
Briarnoun
Eurasian rose with prickly stems and fragrant leaves and bright pink flowers followed by scarlet hips
Thornverb
To pierce with, or as if with, a thorn
Briarnoun
a very prickly woody vine of the eastern United States growing in tangled masses having tough round stems with shiny leathery leaves and small greenish flowers followed by clusters of inedible shiny black berries
Thornnoun
something that causes irritation and annoyance;
he's a thorn in my fleshBriarnoun
evergreen treelike Mediterranean shrub having fragrant white flowers in large terminal panicles and hard woody roots used to make tobacco pipes
Thornnoun
a sharp-pointed tip on a stem or leaf
Briarnoun
a pipe made from the root (briarroot) of the tree heath
Thornnoun
a Germanic character of runic origin