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?
This medication is given slowly by injection under the skin (subcutaneous infusion) as directed by your doctor, usually once weekly. Some products may be given as often as every day up to once every 2 weeks. Follow your doctor's instructions carefully on how often to receive this medication.