bittern

bittern1
[ˈbɪtən]
noun
  1. a large marshbird of the heron family, which is typically smaller than a heron, with brown streaked plumage. The larger kinds are noted for the deep booming call of the male in the breeding season
    麻鳽
  2. Genera Botaurus and Ixobrychus, family Ardeidae: several species, especially the Eurasian bittern (B. stellaris) and the American bittern (B. lentiginosus)
语源
  1. late Middle English bitore, from Old French butor, based on Latin butio 'bittern' + taurus 'bull' (because of its call). The - n was added in the 16th cent., perhaps by association with hern, obsolete variant of heron

bittern2
[ˈbɪt(ə)n]
noun
  1. [mass noun]a concentrated solution of various salts remaining after the crystallization of salt from seawater
    盐卤,卤水
语源
  1. late 17th cent.: probably from the adjective bitter
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