Sentence:  You fools! I and my fellows / Are ministers of fate: the elements / Of whom your swords are <WSD>temper'd</WSD> may as well / Wound the loud winds, or with bemock'd-at stabs / Kill the still-closing waters, as diminish / One dowle that's in my plume; ... 
Meaning of the word marked with <WSD> tags:  To combine in due proportions; to constitute; to compose.