-ädə(r) noun
( -s )
1. : one that plods ; especially : a person who proceeds or works slowly, steadily, and unimaginatively
thick-witted, insensitive plodders … unable to follow the transcendental speculations of their opponents — C.W.Shumaker
the plodders who do exactly what they're told — Ethelbert Robinson
2. : a machine for making ribbons or chips of milled soap into cakes by means of a spiral screw that forces the soap into a compression chamber and through a die