from
The Collaborative International Dictionary of English v.0.48
Loggerhead \Log"ger*head`\, n. [Log + head.]
1. A blockhead; a dunce; a numskull. --Shak. Milton.
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2. A spherical mass of iron, with a long handle, used to heat
tar.
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3. (Naut.) An upright piece of round timber, in a whaleboat,
over which a turn of the line is taken when it is running
out too fast. --Ham. Nav. Encyc.
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4. (Zool.) A very large marine turtle ({Thalassochelys
caretta} syn. {Thalassochelys caouana}), common in the
warmer parts of the Atlantic Ocean, from Brazil to Cape
Cod; -- called also {logger-headed turtle}.
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5. (Zool.) An American shrike ({Lanius Ludovicianus}),
similar to the butcher bird, but smaller. See {Shrike}.
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{To be at loggerheads}, {To fall to loggerheads}, or {To go
to loggerheads}, to quarrel; to be at strife. --L' Estrange.
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