(US, law) A common law rule according to which a baseball team cannot be held liable for injuries suffered by a spectator struck by a foul ball so long as the team has offered some protected seating.

plural of zone plate

unrefined lead, cast in blocks called pigs

(astronomy) a type of supergiant spiral galaxy of the local universe that is much larger than most giant spiral galaxies, and whose stellar creation rate is much higher than typical spiral galaxies...