[UNDER-1 6 a.] A boy belonging to the lower or under-school.
1843. Thackeray, Fitz-Boodle P., Mr. & Mrs. Berry, i. Here, under-boy, take my coat.
1856. J. Richardson, Recoll., I. iv. 96. If the under boy refuses or declines to obey, he is punished by blows at the discretion of his tyrant.