plural of year-bird

Blyth's hornbill (Rhyticeros plicatus)

(medicine) A unit of measurement, equivalent to one year of life in perfect health, that can be used to decide whether a medical procedure is worthwhile for an individual.

(law) A year in the reign of a monarch, beginning on the day of accession, the set of which are numbered ordinally. Formerly laws in the United Kingdom were identified in part by the regnal year of the monarch, and this practice is still followed in some Commonwealth countries.

Of the age of one year.

plural of year 2000 problem

(biology) A year in which salmon return to spawn in a particular river

next year; the year following the current year, especially the early part of it.

(accounting) An accounting period of one year, not necessarily coinciding with the calendar year.

Approximately at the end of one year and the beginning of the next.