(noun) the period of time that it takes for a planet (as, e.g., earth or Mars) to make a complete revolution around the sun
(noun) a period of time containing 365 (or 366) days
(noun) a period of time occupying a regular part of a calendar year that is used for some particular activity
Definitions for Sevens
(noun) a card game in which you play your sevens and other cards in sequence in the same suit as the sevens; you win if you are the first to use all your cards