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otters n
gen.	Ottern f; Otter f
mamm.	Marder m (Mustelidae); Marderartige (Mustelidae); marderartige Raubtiere (Mustelidae); Fischottern f (Lutra); Otter f (Lutra)
nat.sc., agric.	Otter f (Lutrinae spp.); Wassermarder n (Lutrinae spp.)
zool.	Otter f (Lutrinae); Wassermarder n (Lutrinae)
otter [ˈɒtə] n
gen.	Otter f
mamm.	Fischotter m (Lutra lutra); gemeiner Fischotter (Lutra lutra); Flußotter f (Lutra lutra); Otter f (Lutra lutra)
nat.res.	Eurasischer Fischotter (Lutra lutra); Fischotter m (Lutra lutra); Otter f (Lutra lutra)
English thesaurus
otter [ˈɒtə] n
mamm.	vidra (Lutra lutra)
OTTER [ˈɒtə] n
mil.	operational training, test, and evaluation radar

otters: 156 phrases in 8 subjects

Agriculture	3
Environment	8
Fish farming pisciculture	24
General	24
Life sciences	3
Mammals	56
Natural resourses and wildlife conservation	21
Zoology	17