1.Definition: a compact mass

Related Noun(s):ball, chunk, clod, clump, glob

Category: General

2.Definition: a large piece of something without definite shape

"A hunk of bread", "A lump of coal"

Category: Objects

3.Definition: an abnormal protuberance or localized enlargement

Related Noun(s):puffiness

Category: General

4.Definition: an awkward stupid person

Related Noun(s):clod, gawk, goon, lout, lubber, lummox, oaf, stumblebum

Category: People