The Collaborative International Dictionary
Oker \O"ker\, n. (Min.) See Ocher.
Wiktionary
Etymology 1 alt. (context Now chiefly dialectal English) interest on money; usury; increase. n. (context Now chiefly dialectal English) interest on money; usury; increase. vb. (context transitive Now chiefly dialectal English) To increase (in price); add to. Etymology 2
n. (context mineralogy English) (alternative form of ocher English)
Wikipedia
The Oker is a river in Lower Saxony, Germany, that has historically formed an important political boundary. It is a left tributary of the River Aller, in length and runs in a generally northerly direction.
Oker is a borough of Goslar, capital of Goslar district in Lower Saxony, Germany. Formerly a town within Wolfenbüttel district since 1952, it was incorporated on 1 July 1972.
Usage examples of "oker".
Leslie Oker was about as impulsive as a two-toed sloth, and rather less effeminate than a tomcat.
Brunswick belongs almost entirely to the basin of the river Weser, into which the Oker, the Aller and the Leine, having their sources in the Harz, discharge their waters.
Germany, capital of the duchy of that name, situated in a fertile and undulating country, on the Oker, 37 m.