Real Dictionary

pounce
verb: If someone pounces on something such as a mistake, they quickly draw attention to it, usually in order to gain an advantage for themselves or to prove that they are right.
verb: If someone pounces on you, they come up towards you suddenly and take hold of you.
verb: When an animal or bird pounces on something, it jumps on it and holds it, in order to kill it.

pounce in American English 1
a claw or talon of a bird of prey
to swoop down, spring, or leap (on, upon, or at a person or thing) in, or as in, attacking or seizing
intransitive verb: to swoop down suddenly and grasp, as a bird does in seizing its prey
noun: the claw or talon of a bird of prey
transitive verb: to seize (prey) suddenly

pounce in American English 2
a fine powder, as pulverized cuttlefish bone, formerly used to prevent ink from blotting or to prepare the writing surface of parchment
to sprinkle, rub, finish, or prepare with pounce
transitive verb: to emboss (metal) by hammering on an instrument applied on the reverse side

pounce in American English 3
noun: a fine powder, as of cuttlebone, formerly used to prevent ink from spreading in writing, or to prepare parchment for writing
transitive verb: to sprinkle, smooth, or prepare with pounce

pounce in British English 1
noun: the act of pouncing; a spring or swoop
verb: to spring or swoop, as in capturing prey

pounce in British English 2
verb: to emboss (metal) by hammering from the reverse side

pounce in British English 3
to dust (paper) with pounce
noun: a very fine resinous powder, esp of cuttlefish bone, formerly used to dry ink or sprinkled over parchment or unsized writing paper to stop the ink from running