Definition of trail for Students. 1  1 : a trace or mark left by something that has passed or been drawn along The dog left a trail of mud on the carpet. 2  2 : a beaten path. 3  3 : a path marked through a forest or mountainous region hiking trails.
The letter E. It is in the word 'week' twice, the word 'year' once and it's not in the word 'day.'.he letter E. The full question may have originally been: What will occur once in a year, twice in every month, 4 times in every week and 6 times each and every weekend?
abbreviation for the Latin quaque die, once a day, a unit of frequency traditionally used in medical prescriptions. This notation is sometimes modified for a lesser frequency by imbedding a number of days in the middle, as in q.2d., every two days.