jupiter

noun1

1. •
   A class of planets that are similar in mass to Jupiter.

noun3

1. •
   The fifth and by far the largest planet in the Solar System, a gas giant, represented by the symbol ♃ in astronomy. Jupiter is known for its Great Red Spot and many moons including the Galilean moons.

   • Jupiter condensed out of the dust and gas that became our solar system at a distance where water remains frozen. — 1990
2. •
   (rare) Azure (blue), in the postmedieval practice of blazoning the tinctures of certain sovereigns' (especially British monarchs') coats as planets.

   • 5. Jupiter, a Mace of Majestry in Bend Sol. — 1693
3. •
   (no longer used) Tin.

exclamation1

1. •
   Synonym of by Jupiter.

   • "Jupiter!" murmured Crediton. It is unusual for the senior hand to leave even one of the five cards to which he is entitled. It indicated an unusually strong hand. — 1923