Clumper
noun, verb ·Uncommon ·Advanced level
Definitions
- 1 Something that forms clumps.
"The clumper, MP, had no glucosyltransferase activity on the surface but did in the Golgi, while the non-clumper, HR, had it on the surface and not in the Golgi."
- 2 Something that forms clumps.; A grass or other plant that tends to form clumps.
"Bell compared the success of two species with contrasting architecture (a clumper and a runner form) as they grew either in competition with each other or alone."
- 3 Something that forms clumps.; One who generalizes or finds commonalities, as opposed to one who focuses on identifying differences
"As an old clumper myself, I'm just now beginning to see how I must sometimes split and next time I want to tell you more about that.'"
- 4 A part of a device that is used for the formation of clumps.
"This was then pumped up to an elevated tank and piped from there through a constant-level tank to the dropper tubes of the clumper placed in a row above the drum."
- 5 The larger claw of a lobster.
""Reckon he's getting on for five pounds," said Richard eagerly. "Look at the size of that clumper claw ! " The two asymmetric claws of the lobster were known as the pincher and the clumper, and the clumper was always bigger ."
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- 6 Synonym of clumpet (“floating piece of sea ice”). Newfoundland
"An' the glow was the light of our fire, which had come close t' my father's place; for—look you—my father's clumper was heavy an' slow t' move, an' the pans o' the floe, whipped t' racin' speed by the wind, was drivin' past, with the win'ward edge o' the ice overhaulin' that clumper all the while."
- 7 A heavy percussive noise, like that of heavy footfalls.
"Anyone who paused for a moment in this wasteland would hear the everlasting, clump, clump, clump; clump, clumper, clumper-clump of heavy boots on raised boards."
- 8 One who clumps; one who walks with a clumping gait.
"do you turn your toes out and walk on the inside of your feet to avoid discomfort? In other words, are you a clumper?"
- 9 A heavy boot or shoe.
"A picture for a painter, this: the gang of brawny giants in brine-stained guernseys and thick woollen stockings pulled over their trousers, seated round the small table, beneath the dim lamp, which perhaps lit up dingily the bulky form of some prostrate sleeper in the bunks, devouring their food in hungry silence, or noisily chaffing the luckless "Shad" and his grimy serviette, with ever and anon a fresh pair of clumper-shod legs descending the steep ladder, as a new arrival came down from the deck."
- 10 A horse that comes from a heavy breed, such as a part-Clydesdale. Australia
"One of two such brought in during my visit was an unbroken seven-year-old mare of the clumper breed."
- 1 To form into clumps or masses. intransitive, obsolete
"Vapours […] clumper'd in balls of clouds."
- 2 To move heavily; to clomp or clump.
"The palms of TV looked especially welcome as the plane clumpered down on a hazy tarmac in a greenish, weedy field."
- 3 To make a clumping noise.
"The cold, indeed, was now becoming so intense as to congeal and skim over all the pools and still eddies of the river, and make solid ice along the shores of the rapid currents of the stream; while even the ground was fast becoming so frozen as to clumper and sound beneath the hurrying tread of our anxious travellers ."
Synonyms
All synonymsExample
More examples"The clumper, MP, had no glucosyltransferase activity on the surface but did in the Golgi, while the non-clumper, HR, had it on the surface and not in the Golgi."
Etymology
From clump + -er.
Compare German klumpern (“to clod”). See clump (noun).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.