hæfern

== Old English == === Alternative forms === hræfen, hæbern, hræfn, hafern, hæbrn, hafærn, hefern, habern, hebern === Etymology === Uncertain. Perhaps from hæf (“water, sea”) +‎ ærn (“house, home, dwelling”), in reference to its shell. === Pronunciation === IPA(key): /ˈxæ.fern/, [ˈhæ.verˠn] === Noun === hæfern m crab ==== Declension ==== Strong a-stem: ==== Synonyms ==== crabba ==== Derived terms ==== wæterhæfern