strikeout (Noun) — (baseball) an out resulting from the batter getting three strikes.
strikeout (Verb) — Remove from a list.
strikeout (Verb) — (baseball) put out or be put out by a strikeout. ex. "Oral struck out three batters to close the inning"
strikeout (Verb) — Be unsuccessful in an endeavour. ex. "The candidate struck out with his health care plan"
strikeout (Verb) — Make a motion as with one's fist or foot towards an object or away from one's body.
strikeout (Verb) — (baseball) cause to get out. ex. "The pitcher struck out three batters"
strikeout (Verb) — Set out on a course of action. ex. "He struck out on his own"