ppl. a. (UN-1 8.)

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[1775.  Ash.]

2

1777.  Cook, Voy., I. Introd. p. xxvi. To traverse a far greater space of sea, till then unnavigated.

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a. 1796.  Adml. Forbes, in Cook, Voy. (1842), I. p. xix. They have discovered seas unnavigated and unknown before.

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