צִנָּה tsinnâh (H6793)

a hook (as pointed); also a (large) shield (as if guarding by prickliness); also cold (as piercing)

1) something piercing, hook, barb 1a) meaning dubious 2) coolness, cold (of snow) 3) shield, large shield, buckler 3a) shield

feminine of צֵן (H6791);