pouce

1

In France prior to adoption of the metric system, and in Haiti, Mauritius, and the Seychelles, 20th century, a unit of length, approximately 2.707 centimeters (about 1.066 inches).

In France under the Système Usuel, 1812-1840, the pouce = ¹/₃₆th meter, about 2.77... centimeters.

2

In Switzerland, 3 centimeters (about 1.181 inch). Also called a Zoll.

3

In Russia, = 1 inch.