Hypertext Webster Gateway: "Rotche"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rotche \Rotche\, n. (Zo["o]l.)
A very small arctic sea bird ({Mergulus alle}, or {Alle
alle}) common on both coasts of the Atlantic in winter; --
called also {little auk}, {dovekie}, {rotch}, {rotchie}, and
{sea dove}.
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