ˈlȯgə(r)ˌhed also ˈläg- noun
Etymology: probably from English dialect logger block of wood (from log (I) + -er ) + head
1. now chiefly dialect
a. : blockhead , dumbbell
b. : head ; especially : a large cumbrous head
2. or loggerhead turtle
a. : any of various very large marine turtles (family Cheloniidae) ; especially : a carnivorous turtle ( Caretta caretta ) that is common in the warmer parts of the Atlantic ocean from Brazil to Cape Cod
b. : alligator snapper
c. : a snapping turtle ( Chelydra serpentina )
3. : an iron tool consisting of a long handle terminating in a ball or bulb that is heated and used to melt tar or to heat liquids
4. : an upright piece of round timber which is fixed in a whaleboat and around which a turn of the line is taken when it is running out too fast
5. : a disease of cotton characterized by a shortening of the internodes of stems and branches
6. loggerheads plural but singular or plural in construction , dialect England : any of several herbs of the genus Centaurea
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