The Collaborative International Dictionary of English v.0.48:

Dor \Dor\, n. [Cf. AS. dora drone, locust, D. tor beetle, L.
   taurus a kind of beetle. Cf. Dormouse.] (Zool.)
   A large European scaraboid beetle (Geotrupes stercorarius),
   which makes a droning noise while flying. The name is also
   applied to allied American species, as the June bug. Called
   also dorr, dorbeetle, or dorrbeetle, dorbug,
   dorrfly, and buzzard clock.
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The Collaborative International Dictionary of English v.0.48:

Dor \Dor\, v. t.
   To make a fool of; to deceive. [Obs.] [Written also dorr.]
   --B. Jonson.
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The Collaborative International Dictionary of English v.0.48:

Dorr \Dorr\, n.
   The dorbeetle; also, a drone or an idler. See 1st Dor.
   --Robynson (More's Utopia).
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The Collaborative International Dictionary of English v.0.48:

Dorr \Dorr\, v. t.
   1. To deceive. [Obs.] See Dor, v. t.
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   2. To deafen with noise. [Obs.] --Halliwell.
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