NAPIER'S BONES; NAPIER'S RODS n.
A set of rods, made of bone or other material, each divided into nine spaces, and containing the numbers of a column of the multiplication table; -- a contrivance of Baron Napier, the inventor of logarithms, for facilitating the operations of multiplication and division.
POST-OBIT; POST-OBIT BOND n. 2 definitions
A bond in which the obligor, in consideration of having received a certain sum of money, binds himself to pay a larger sum, on unusual interest, on the death of some specified individual from whom he has expectations. Bouvier.