a. [f. WESTERN a. + -MOST. Cf. WESTERMOST.] Farthest towards the west; most westerly.

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1703.  Lond. Gaz., No. 3937/3. The Westernmost Rocks of the Minques.

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1778.  Forster, Observ. Voy. World, 197. There is a small species of scorpion in the tropical isles of the South-Sea, but more common to the Westernmost than the Society Isles.

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1846.  G. Warburton, Hochelaga, II. 191. Not more than four thousand square miles of all this westernmost country is capable of cultivation.

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1884.  Helen Jackson, Ramona, ii. The two westernmost rooms had been added on.

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1892.  J. L. Allen, Blue-Grass Region, etc. (1900), 259. Pine Mountain, the westernmost ridge of the Alleghany system.

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