verb

• To intend.
  "I didn't mean to knock your tooth out."
• To intend.
  "Don't be angry; she meant well."
• To intend.
  "Actually this desk was meant for the subeditor."
• To intend.
  "Your reasoning seems needlessly abstruse, complex, and verbose for me. I mean, could you dumb it down for my sake?"

adj

• (obsolete) Common; general.
• (now rare) Of a common or low origin, grade, or quality; common; humble.
  "a man of mean parentage"
• (chiefly UK) Ungenerous; stingy; tight-fisted.
  "He's so mean. I've never seen him spend so much as five pounds on presents for his children."
• (colloquial) Hearty; spicy.
  "We were sitting in Poetta’s candlelit kitchen waiting for some of her gut-burning chili to get done. Everybody that knows Poetta knows that she makes a mean chili that if you eat it by lunchtime, it can clean out your entire system by the end of the day."

adj

• (obsolete) Middling; intermediate; moderately good, tolerable.
  "I have declared in the causes what harm costiveness hath done in procuring this disease; if it be so noxious, the opposite must needs be good, or mean at least, as indeed it is […]."

noun

• (now chiefly in the plural form means, also in a singular sense) A method or course of action used to achieve some result.
  "To say truth, it is a meane full of uncertainty and danger."
• (obsolete, in the singular) An intermediate step or intermediate steps.
  "Verily in this treatise this hath been mine only purpose; and the mean to bring the same to effect hath been such as whereby I studied to profit wholesomely, not to please delicately."
• (music, now historical) The middle part of three-part polyphonic music; now specifically, the alto part in polyphonic music; an alto instrument.
  "Of these [rattles] they have Base, Tenor, Countertenor, Meane, and Treble."
• (mathematics) Any function of multiple variables that satisfies certain properties and yields a number representative of its arguments; or, the number so yielded; a measure of central tendency.
  "Note that (1.41) is simply the probability-weighted mean without any explicit allowance for the stratification; each observation is weighted by its inflation factor and the total divided by the total of the inflation factors for the survey."