See hammerhead (sense 3).
[New Latin umbretta, species name, from French ombrette, shadow, diminutive of ombre, shade, from Old French, from Latin umbra.]
umbrette
Dictionary:
um·brette (ŭm-brĕt')  |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more |
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