antiguggler

from The Century Dictionary.

• noun A small tube inserted into the mouth of a bottle or carboy to admit air while the liquid is running out, and thereby prevent guggling or splashing of corrosive liquid.

from the GNU version of the Collaborative International Dictionary of English.

• noun A crooked tube of metal, to be introduced into the neck of a bottle for drawing out the liquid without disturbing the sediment or causing a gurgling noise.