rare bird
         n 1: a rare or unique person [syn: {rare bird}, {rara avis}]

English Dictionary: Ruhrrevier	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
rear of barrel n opening in the rear of the barrel of a gun where bullets can be loaded Synonym(s): breech, rear of barrel, rear of tube
From WordNet (r) 3.0 (2006) [wn]:
rerebrace n cannon that provides plate armor for the upper arm [syn: rerebrace, upper cannon]
From WordNet (r) 3.0 (2006) [wn]:
Ruhr River n a tributary of the Rhine Synonym(s): Ruhr, Ruhr River
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rear \Rear\, a.       Being behind, or in the hindmost part; hindmost; as, the rear       rank of a company.          {Rear admiral}, an officer in the navy, next in rank below a             vice admiral, and above a commodore. See {Admiral}.          {Rear front} (Mil.), the rear rank of a body of troops when             faced about and standing in that position.          {Rear guard} (Mil.), the division of an army that marches in             the rear of the main body to protect it; -- used also             figuratively.          {Rear line} (Mil.), the line in the rear of an army.          {Rear rank} (Mil.), the rank or line of a body of troops             which is in the rear, or last in order.          {Rear sight} (Firearms), the sight nearest the breech.          {To bring up the rear}, to come last or behind.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rerebrace \Rere"brace`\ (r?r"br?s"), n. [F. arri[?]re-bras.]       (Anc. Armor)       Armor for the upper part of the arm. --Fairholt.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Roriferous \Ro*rif"er*ous\, a. [L. rorifer; ros, roris, dew +       ferre to bear: cf. F. rorif[8a]re.]       generating or producing dew. [R.]