The national game of the United States, baseball, is a more complicated variety of the English game rounders.

An equinox, literally "equal night" from Latin aequinoctium, occurs twice a year when the Sun crosses the equator and day and night are equal in length - Spring and Autumn.

Chipmunk is an American English word, first written chitmunk, that was borrowed from Algonquian atchitamon, meaning 'one who descends trees headlong'.