noun

• (uncountable, geology) A hard earthen substance that can form rocks; especially, such substance when regarded as a building material.
  "Toad, that vnder cold ſtone, / Dayes and Nights ha’s thirty one: / Sweltred Venom ſleeping got, / Boyle thou firſt i’th’ charmed pot."
• (countable, geology) A piece of such material: a rock or a pebble.
• (British) A unit of weight equal to 14 pounds (≈6.3503 kilograms), formerly used for various commodities (wool, cheese, etc.), but now principally used for personal weight. Abbreviated as st.
  "British people measure their weight in stones and pounds. I weigh eight stone five."
• (botany) The central part of some fruits, particularly drupes; consisting of the seed and a hard endocarp layer.
  "Near-synonym: pip"

adj

• (African-American Vernacular) Used as an intensifier.
  "She is one stone fox."
• (LGBTQ, slang) Willing to give sexual pleasure but not to receive it.
  "stone butch"

adv

• (slang) Absolutely, completely (used with following adjectives).
  "I went stone crazy after she left."

verb

• (transitive) To pelt with stones; especially, to kill by pelting with stones.
  "stoned to death"
• (transitive) To wall or wall up with stones.
  "[…] and since it was a rule of the French troops not to be a burden on the people along their route it could be that the advance guard dug and stoned the well for the troop's own special use."
• (transitive) To remove a stone from (fruit etc.).
• (intransitive) To form a stone during growth, with reference to fruit etc.