1. A young man or boy; a lad or youth.
Usage: archaic; chiefly British
2. A man of low birth or social standing; a knave or rogue.
Usage: archaic; derogatory

Examples

• The coistril was sent to fetch water from the well.
• That coistril has caused nothing but trouble in the village.
• A mere coistril, he had not yet learned the ways of men.
• The innkeeper threw the drunken coistril out into the street.
• Young coistrils played in the marketplace after their work was done.