The Collaborative International Dictionary of English v.0.48:

Irishman \I"rish*man\, n.; pl. Irishmen.
   A man born in Ireland or of the Irish race; an Hibernian.
   [1913 Webster]

   Irishman's hurricane (Naut.), a dead calm.

   Irishman's reef. (Naut.) See Irish reef, under Irish,
      a.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Irish \I"rish\, a. [AS. [imac]risc, fr. [imac]ras the Irish. Cf.
   Aryan, Erse.]
   Of or pertaining to Ireland or to its inhabitants; produced
   in Ireland.
   [1913 Webster]

   Irish elk. (Zool.) See under Elk.

   Irish moss.
   (a) (Bot.) Carrageen.
   (b) A preparation of the same made into a blanc mange.

   Irish poplin. See Poplin.

   Irish potato, the ordinary white potato, so called because
      it is a favorite article of food in Ireland.

   Irish reef, or Irishman's reef (Naut.), the head of a
      sail tied up.

   Irish stew, meat, potatoes, and onions, cut in small pieces
      and stewed.
      [1913 Webster]