A year is the time period of roughly 365¼ solar days, representing the duration required for Earth to complete one full orbit around the Sun.
“It took him a year to complete the project.”
The word is used to describe a span of twelve months or the cycle marking the passage of time in calendars and astronomical observation.
Author’s Summary: A year defines the 365¼-day period marking Earth’s complete solar orbit, forming the basis of the annual calendar and measurement of time.