(historical) The conflict in the Low Countries against Spanish rule, from 1568 to 1648, that gradually turned into a Dutch war of independence.

The year adopted by any nation for the computation of time.

A certain plant, probably Buphthalmum salicifolium, the yellow oxeye.

(astronomy, historical) One complete precession of the equinox, approximately 25,765 years. / (astronomy, historical) Any real or imagined cycle with astronomical or astrological significance.

The time taken for the Earth to complete one revolution with respect to its apsides, usually defined as the time between perihelion passages.

Toxicodendron diversilobum, western poison oak.

(archaic) Pertaining to or indicative of one who says yea and forsooth; not belonging to genteel society.

(obsolete) Yacht.

(education) The annual period during which a student attends school, college or university.

(idiomatic) Old age.