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1. The larger of two muscles that originate in the lower spine. This muscle flexes the hip. Also called psoas major.
2. The smaller of two muscles that originate in the lower spine. This muscle flexes the lower spine. Also called psoas minor.
[New Latin, from Greek psoa.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Anatomy) either of two muscles of the loins that aid in flexing and rotating the thigh
[C17: from New Latin, from Greek psoai (pl)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. pso•ai (sō′ī), pso•ae (sō′ē).
either of a pair of deep loin muscles extending from the sides of the spine to the femur.
[1675–85; < New Latin < Greek psóās]
pso•at′ic (-ˈæt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||psoas - either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
psoasn psoas m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.