noun

• (countable) The main idea or substance, or the most essential part, of a longer or more complicated matter; the crux, the heart, the pith.
  "I don't wanna belabor my point; I'm sure you get the gist."
• (countable, law, dated) The essential ground for action in a lawsuit, without which there is no cause of action; the gravamen.
  "[T]heſe charges, of a traiterous or felonious intent, are the points and very giſt of the indictment, and muſt be anſvvered directly, by the general negative, not guilty; […]"
• (uncountable, Nigeria) Gossip, rumour; (countable) an instance of this.
• (programming) A sharable snippet of source code, especially on the version controlled pastebin-hosting site GitHub Gist.
  "For a simple illustration of the issue, take a look at this gist."

verb

• (transitive) To extract and present the main ideas or substance, or the most essential parts of (a document, piece of writing, etc.); to abridge, to summarize.
  "There are two general ways of getting information, and these two general ways may be summed up in this: take one branch of study and its principles are all gisted, they have been gisted by the accumulated thought of years gone by. These gisted thoughts are axioms, or received principles, and the pupils of the day take these axioms or principles, and accept them as facts, and apply them to this, that or the other individual case."
• (intransitive, Nigeria) To talk idly; chat; also, to gossip.

noun

• (obsolete) A stop for lodging or rest in a journey, or the place where this happens; a rest.
  "Theſe Quailes have their ſet giſts, to vvit, ordinarie reſting and baiting places."

noun

• (medicine) Initialism of gastrointestinal stromal tumor.