The lower rear portion of the human trunk; the buttocks.(noun)
A breech presentation or delivery.(noun)
A fetus in breech presentation.(noun)
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 "breech" in a sentence
"A new study has shown that pregnant women who have during the end of pregnancy have a thyroid stimulating hormone (TSH) level above 2.5 -- a level that is considered within the "normal range" or reference range for the TSH test -- are at higher risk of for their baby to be in a breech position (The term breech refers to a baby that is not in the head-down position.)"
"For pumps, since the breech is locked, the average force with which the shotgun bumps your shoulder is equal to the mass of the shot and wad and gasses, multiplied by average acceleration."
"Be advised, that I will be in breech of an agreement I made with that news corp. by referring to them in any way."