noun

• A journey or effort in pursuit of a goal (often lengthy, ambitious, or fervent); a mission.
• (obsolete) A request; a desire; a solicitation.
  "Gad not abroad at every quest and call / Of an untrained hope or passion."
• (obsolete) A group of people conducting a search or inquiry.
  "The senate hath sent about three several quests to search you out."
• (obsolete) An inquest; a jury of inquest.
  "To 'cide this title is impanneled A quest of thoughts, all tenants to the heart, And by their verdict is determined The clear eye's moiety and the dear heart's part […]"

verb

• (intransitive) To seek or pursue a goal; to undertake a mission or job.
• (transitive) To search for something; to seek.
  "Next day we quested in search of our caravan, and after some pains recovered it."
• (entomology, of a tick) To locate and attach to a host animal.

noun

• (education) A short test.
  "I had a calculus quest (not a quiz or a test, but somewhere in between...) it was on limits, and l'hopital's rule..."