As nouns the difference between sapper and wapper
is that sapper is one who saps; specifically, one who is employed in working at saps, building and repairing fortifications, and the like. Often known as a combat engineer or military engineer while wapper is a gudgeon.
As a verb wapper is
to cause to shake; to move tremulously, as from weakness; to totter.
sapper
Noun
(
en noun)
One who saps; specifically, one who is employed in working at saps, building and repairing fortifications, and the like. Often known as a combat engineer'' or ''military engineer .
(British, colloquial) an officer or private of the Royal Engineers.
wapper
English
Etymology 1
Noun
(
en noun)
(UK, dialect) A gudgeon.
Etymology 2
Frequentative of wap; compare (etyl) dialect wappern, wippern, to move up and down, to rock.
Verb
(
en verb)
To cause to shake; to move tremulously, as from weakness; to totter.
(
Webster 1913)
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