The winter solstice occurs around December21 each year and it is the shortest day of the year in the Northern Hemisphere. The summer solsticce occurs around June 21st eaach year and it is the longest year in the Northern Hemisphere.
A term of employment law; where an employee is assigned to a new job and his/her position filled by another employee. In St. John, the Canadian Human Rights Tribunal used these words: Canada Post's ability to loan employees from one part of the plant to another is subject to a general prohibition against backfilling.
an act of calling back. a summoning of workers back to work after a layoff. a summoning of an employee back to work after working hours, as for emergency business. a request to a performer who has auditioned for a role, booking, or the like to return for another audition. recall (def 12). a return telephone call. of or relating to such a call: Please leave a callback number.