Trainband, also known as trained band, refers to a military unit that was popular in England during the 16th and 17th centuries. The term 'Trainband' was derived from the Dutch term 'trainieren', which means 'to drill'. Synonyms for this word include 'military company', 'trained company', 'trained bands', 'militia', 'volunteers', 'citizen soldiers', 'armed guard', and 'military rank and file'. These terms refer to the same idea of a group of civilians who were trained in military tactics and were ready to be called upon to defend their city or country in times of war. Despite the historical context, the term 'Trainband' is still used today as it signifies a group of disciplined individuals ready to take on any challenge.