Source : Webster's Revised Unabridged Dictionary (1913)

Yearly \Year"ly\, a. [AS. ge['a]rlic.]
   1. Happening, accruing, or coming every year; annual; as, a
      yearly income; a yearly feast.

   2. Lasting a year; as, a yearly plant.

   3. Accomplished in a year; as, the yearly circuit, or
      revolution, of the earth. --Shak.

Yearly \Year"ly\, adv. [AS. ge['a]rlice.]
   Annually; once a year to year; as, blessings yearly bestowed.

         Yearly will I do this rite.              --Shak.

Source : WordNet®

yearly
     adj : occurring or payable every year; "an annual trip to Paris";
           "yearly medical examinations"; "annual (or yearly)
           income" [syn: {annual}]
     adv : without missing a year; "they travel to China annually"
           [syn: {annually}, {every year}, {each year}]