crenellation (en)

(noun) the battlement of a castle or other building. / (noun) any of the embrasures alternating with merlons in a battlemen

exigent (en)

(adjective) requiring immediate aid or action / (adjective) requiring or calling for much; demanding

imprecate (en)

(verb) to invoke evil on; curse / (verb) to utter curses

tannic (en)

(adjective) of, resembling, or derived from tan or a tannin / (adjective) containing an abundance of tannins; markedly astringent / (noun) tannin