seasonal
a. பருவகாலத்திற்குரிய, பருவகாலத்திற்கேற்ற.
Sea"son*al, a. Defn: Of or pertaining to the seasons. Seasonal dimorphism (Zoöl.), the condition of having two distinct varieties which appear at different seasons, as certain species of butterflies in which the spring brood differs from the summer or autumnal brood.