The Chinese abacus is thought to have been created by a famous mathematician Cheng Dawei of the Ming Dynasty between 1368 and 1644. A typical elementary abacus has 10 parallel wires strung between two boards on a frame, with nine beads on each wire. Each bead has a value of 10, a multiple or sub multiple of 10.
The definition of a snigger is a contained or half held-in laugh. An example of a snigger is a quiet laugh behind a person's back. Snigger is defined as to snicker or hold back a laugh. An example of snigger is to secretly laugh at someone behind their back.
snoot-informal terms for the nose. hooter, schnoz, schnozzle, snout, nozzle, honker, beak. nose, olfactory organ-the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals; he has a cold in the nose.