DCHP-1 Online
feeding platform 
n. a breathing-hole made in the ice by muskrats and kept open by means of tufts of grass and other vegetation stuffed in the opening.
See also: pushup
- 1940 Then we discovered a lone individual [muskrat] perched upon a bulrush feeding platform busily chewing on the white tender end of a bulrush stem.
- 1940 Then we discovered a lone individual [muskrat] perched upon a bulrush feeding platform busily chewing on the white tender end of a bulrush stem.