thorn, prickly branch
[Rosalind to Celia] O, how full of briars is this working-day world!
[Emilia to Woman, of a rose reacting to the north wind] She locks her beauties in her bud again, / And leaves him to base briars [i.e. repels him]
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL