It normally means charm or enjoyment or in the case of food something used to add flavor (usually refers to lemon zest or orange zest which comes from shaving the peel off of the fruit)
a , a bottle of wine because it’s the only one that makes sense
She is praying to a deity to remove all traces of her womanhood so that she can be filled with cruelty and carry out the bloody tasks necessary to bring her husband to power
If the word is 'was', then it is a linking verb.