|1.||Also called: loggerhead turtle a large-headed turtle, Caretta caretta, occurring in most seas: family Chelonidae|
|2.||loggerhead shrike a North American shrike, Lanius ludovicianus, having a grey head and body, black-and-white wings and tail, and black facial stripe|
|3.||a tool consisting of a large metal sphere attached to a long handle, used for warming liquids, melting tar, etc|
|4.||a strong round upright post in a whaleboat for belaying the line of a harpoon|
|5.||archaic, dialect or a blockhead; dunce|
|6.||at loggerheads engaged in dispute or confrontation|
|[C16: probably from dialect logger wooden block + |
see at loggerheads.