Any apparently useless activity which, by allowing you to overcome intermediate difficulties, allows you to solve a larger problem.

Alternative spelling of backyard

Any of several pungent Eurasian and North American herbs, of the genus Achillea, used in traditional herbal medicine. / Common yarrow, Achillea millefolium, the type species of the genus.

(UK) The green woodpecker, Picus viridis.

a year with an extra day, a leap year

present participle of yacht

(often attributive) A physical activity involving boats, be it racing sailing boats, cruising to distant shores, or day-sailing along a coast.

The time that it takes for the Sun to return to the same position along the ecliptic, as viewed from the Earth, especially: / A vernal equinox year, the time between two successive vernal equinoxes.

(colloquial) Alternative form of see you

Alternative form of smell you later