A deep water harbor on Oahu, Hawaii. / A US Navy base at the harbor. / The attack on Pearl Harbor.

A sneak attack, often using underhanded measures. / A seminal dramatic event that unites a community and arouses it into action against an enemy.

(often passive, slang) To attack by surprise; to subject to a sneak attack. / (often passive, slang, rare) To take rudely by surprise.

Alternative spelling of sulphur pearl

a very large, but harmless, bacterium, Thiomargarita namibiensis, that grows as a string of white beads large enough to be visible to the naked eye in the coastal sediments of Namibia

The peak of the Earth's oil production.

a laser pointer

(historical) A former department of the Court of Chancery that dealt with suits involving solicitors and officers of that court.

A refugee, especially of war or of forced migration.

plural of peace pipe