adv

• (obsolete) Possibly strictly.
  "But you vvill loſe your Labour, and vvhat is more, their Love and Reverence too, if they can receive from others, vvhat you deny them. This is to be kept very ſtanch, and carefully to be vvatched."

verb

• (transitive, poetic, otherwise archaic) To stop the flow of (water or some other liquid).
  "I will couer the depe vpon him, I will ſtaunch his floudes, and the greate waters ſhalbe reſtrayned."
• (transitive, poetic, otherwise archaic) To stop the flow of (water or some other liquid).
  "A small amount of cotton can be stuffed into the nose to stanch the flow of blood if necessary."
• (transitive, poetic, otherwise archaic) To stop the flow of (water or some other liquid).
  "His gathered sticks to stanch the wall / Of the snow-tower, when snow should fall; […]"
• (transitive) To check or stop, or deter (an action).
  "[W]hy ſhould a man refuſe the glad tydings of ſalutation, or ſtop his eares at the voyce of the skilfull charmer, becauſe the meſſenger that brings the tydings, is ouertaken vvith ſome knovvne ſinne? Or becauſe hee that charmeth, ſtancheth not the iſſue of his ovvne corruption?"