A surname from Anglo-Norman. / A placename given to towns, rivers, etc. in several countries.

(biochemistry) A calcium-regulated bioluminescent photoprotein from marine organisms of the genus Obelia.

(now rare) A Tartar. / (now rare) The language of the Tartars; Tatar.

A notation for numbers in which the value of a digit depends on its position in the string, examples of which include the decimal system and the binary system