adam \ad"am\, n.
   1. the name given in the bible to the first man, the
      progenitor of the human race.
      1913 webster

   2. as a symbol "original sin;" human frailty.
      1913 webster

            and whipped the offending adam out of him. --shak.
      1913 webster

   adam's ale, water. coll.

   adam's apple.

   1. bot.
      a a species of banana musa paradisiaca. it attains a
          height of twenty feet or more. --paxton.
      b a species of lime citris limetta.

   2. the projection formed by the thyroid cartilage in the
      neck. it is particularly prominent in males, and is so
      called from a notion that it was caused by the forbidden
      fruit an apple sticking in the throat of our first
      parent.

   adam's flannel bot., the mullein verbascum thapsus.
      

   adam's needle bot., the popular name of a genus yucca
      of liliaceous plants.
      1913 webster
see also:
adam's ale adam's apple musa paradisiaca citris limetta adam's flannel verbascum thapsus 
adam's needle yucca