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alcid

[al-sid]
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adjective
  1. Also al·ci·dine [al-si-dahyn] /ˈæl sɪˌdaɪn/. of, pertaining, or belonging to the family Alcidae, comprising the auks, murres, puffins, etc.
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noun
  1. a bird of the family Alcidae.
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Origin of alcid

< New Latin Alcidae name of the family, equivalent to Alc(a) an auk genus (< Scandinavian; see auk) + -idae -id2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for alcidine

alcidine

adjective
  1. of, relating to, or belonging to the Alcidae, a family of sea birds including the auks, guillemots, puffins, and related forms
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Word Origin

C20: from New Latin Alcidae, from Alca type genus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012