An object-oriented programming language named C#.

A vehicle, such as an SUV or wagon, that is not quite as capable as a full-blown off-roader but a step above 'regular' cars (on-roaders), because of increased ground clearance with tyre, wheel, and...

In an undefined way.

(rare) The least auklet, Aethia pusilla (formerly Simorhynchus pusillus).