Little lump (3)
I believe the answer is:
nub
(Other definitions for nub that I've seen before include "Gist - kernel" , "Gist (of a matter)" , "Central point of issue" , "Central point or core of matter" , "Most essential part of an idea" .)
I believe the answer is:
nub
(Other definitions for nub that I've seen before include "Gist - kernel" , "Gist (of a matter)" , "Central point of issue" , "Central point or core of matter" , "Most essential part of an idea" .)