Definition of loggerhead
2a
: a very large chiefly carnivorous sea turtle (Caretta caretta) of subtropical and temperate waters
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
at loggerheads
: in or into a state of quarrelsome disagreement
Test Your Vocabulary
The Great British Vocabulary Quiz
-
- Named after Sir Robert Peel, what are British police called?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share loggerhead
Time Traveler for loggerhead
The first known use of loggerhead was in 1588
See more words from the same year