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.
NARWHAL n.
on monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.
NONES n.
ember, and December, and the seventh day of March, May, July, and October. The nones were nine days before the ides, reckoning inclusively, according to the Roman method.
NORTH a.
lowing. See Following, a., 2. -- North pole, that point in the heavens, or on the earth, ninety degrees from the equator toward the north. -- North preceding. See Following, a., 2. -- North star, the star toward which the north pole of the earth very nearly points, and which accordingly seems fixed and immovable in…