Chimney-feeding pipe, 6 letters
Quick on the ___ (smart), 6 letters
Slow on the ___ (dense), 6 letters
Slow on the ___ (thickheaded), 6 letters
Something to be quick on, 6 letters
The dim are slow on it, 6 letters
The process of taking food into the body through the mouth (as by eating), 6 letters
A process of taking up or using up or consuming, 6 letters