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Definition of "breastbone" [breast•bone]

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "breastbone" in a sentence
  • "Moreover, its breastbone is too small to support the huge pectoral muscles a bird this size would need to fly."
  • "The joint where the wing connects to the breastbone is another good place to check the temperature."
  • "The woman held her palms up and smiled and the man had his arms out to her, his hands like hooks, and protruding point-outward from his breastbone was a crooked knife blade with a wetness on it."