Impo, subs. (Charterhouse).—An imposition.

Impositor, subs. (Sherborne: obsolete).—A school Præfect: sixteenth century.

Inferior, subs. (Winchester).—Any member of the school not a Præfect (q.v.).

c. 1840. Mansfield, School-Life, p. 28. The Præfect of Hall ... was looked upon by the INFERIORS with something more than a becoming awe and reverence.

Inform, verb (Charterhouse).—To sneak; to show up.

Infra-dig, adj. (Winchester).—Scornful; proud: e.g. “He sported INFRA-DIG duck,” or “I am INFRA-DIG to it.”

Island, The (Rugby).—A mound or “tumulus” in the Close.

1867. Collins, The Public Schools, p. 372. They [the school volunteer corps] had not only parades, but sham fights—if a fight could be called a sham from which the combatants retired with broken heads and bloody noses—attacking and defending the Doctor’s farmyard on the little ISLAND between what were then the two Closes.

Isthmus-of-Suez, subs. (Cambridge).—The bridge at St. John’s College, Cambridge, leading from the grounds to one of the Courts, familiarly known as the “Bridge of Sighs.” Also The Bridge of Grunts. [From its slight similarity to the Venetian example. Sues = swine, in punning reference to the Johnian Hogs (q.v.).] See Crackle and Hog.

1857. Punch, June 20. A resident Fellowe he was, I wis, He had no cure of Soules; And across ye BRIDGE OF SUES he’d come From playinge ye game of bowles.