Medical Dictionary
2strain
vt
Medical Definition of STRAIN
1
a : to exert (as oneself) to the utmost b : to injure by overuse, misuse, or excessive pressure <strained his heart by overwork> c : to cause a change of form or size in (a body) by application of external force
2
: to cause to pass through a strainer
intransitive verb
: to contract the muscles forcefully in attempting to defecate—often used in the phrase strain at stool
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