To hit sharply, as with the hand, the fist, or a weapon. To inflict (a blow). To penetrate or pierce: was struck in the leg by a bullet. To collide with or crash into: She struck the desk with her knee. To cause to come into violent or forceful contact: She struck her knee against the desk. To thrust (a weapon, for example) in or into someone or something: struck the sword into the dragon. To damage or destroy, as by forceful contact: Lightning struck the tree. To make a military attack on; assault. To afflict suddenly, as with a disease or impairment: was stricken with cancer. To cause to become by or as if by a blow: struck him dead. To snap at or seize (a bait). To hook (a fish that has taken the bait) by a pull on the line. To wound by biting. Used especially of a snake. To form by stamping, printing, or punching: strike a medallion. To produce or play by manipulating strings or keys: strike a B flat; strike w, t, and y on the typewriter. To indicate by a percussive or chiming sound: The clock struck nine. To produce as if by playing a musical instrument: The report struck a positive note in the final paragraph. To produce by friction or a blow: struck fire from the flints. To produce flame, light, or a spark from by friction: strike a match. To remove or separate with or as if with a blow: struck the wasp from his shoulder; struck off the diseased branch with a machete. To eliminate or expunge: strike a statement from the court records. To come upon; discover: struck gold. To come to; attain: finally struck the main trail. To fall upon; shine on: A bright light struck her face. To become audible to: An odd sound struck his ear.