Note 63 — Chapter III · BOYHOOD—EDINBURGH ACADEMY—“OLD 31”—HOLIDAYS AT GLENLAIR—1841 TO 1844—ÆT. 10-13.
Reading edition
i.e. Cashew nut. This is characteristic. Compare the description of the boy-genius in Fo'c’s'le Yarns:—
“Bless ye! the pisons was just like mate To Tommy, that liked to feel the strong They were, and rowlin’ them on his tongue.”