I. ˈləmpə(r) intransitive verb
( -ed/-ing/-s )
Etymology: probably alteration (influenced by lump ) (I) of lumber (I)
dialect England : to walk awkwardly : stumble
they lumpered straight into the night — Thomas Hardy
II. noun
( -s )
Etymology: lump (II) + -er
1.
a. : a laborer employed to handle freight (as in loading a ship)
b. : one who unloads fish from a commercial fishing boat
2. chiefly Irish : a large kind of potato
3. : a taxonomist who regards organisms as recognizably divided into relatively large complex readily separated units which may include much variability within their bounds — compare splitter
4. : a textile worker ; specifically : one who tends a cotton opener
5. : a worker in a quarry or a stonecutting establishment who assists with the hoisting of blocks of stone