Tiny builder of tunnels and hills
I believe the answer is:
ant
(Other definitions for ant that I've seen before include "one living in colonies" , "Small busy insect" , "` `Go to the ... thou sluggard' '" , "Colonial insect?" , "colonist" .)
I believe the answer is:
ant
(Other definitions for ant that I've seen before include "one living in colonies" , "Small busy insect" , "` `Go to the ... thou sluggard' '" , "Colonial insect?" , "colonist" .)