amper
nounEtymology From Middle English ampre, from Old English ampre (“a dilated vein, varix, tumour, swelling; dock, sorrel”), from Proto-West Germanic *amprō, *amprā (“dock, sorrel”), which is related to Proto-Germanic *ampraz (“sharp”). Related to aber.
1
A tumour, often accompanied by inflammation; pustule; varicose vein; pus; atter.
2
A defect or flaw, especially in cloth.
- Derived terms
- ampered, ampery