breech presentation definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The position of a fetus during labor in which the buttocks or feet appear first.
breech presentation - Medical Definition
Presentation of the fetus during birth with the buttocks or less commonly the knees or feet first.