Question

what do you mean by anomeric carbon

Answer 1

Here is a short answer for your ques

The anomeric carbon is a stereocenter.
An important feature is the direction of the OH group attached to the anomeric carbon.
Depending on the direction of the OH group, the anomeric carbon is either α or β. α: equatorial DOWN or axial DOWN.

Hope helped

Answer 2

An anomeric carbon is acarbon that, in the acyclic form, is not a stereocenter, but once it takes on the cyclic form, it becomes a stereocenter. ... It is attached to a carbon, which is attached to other atoms and hydrogen, and it's also double-bonded to an oxygen.