A strong muscular effort; †spec. an effort to vomit, a retching; a straining at stool.
| 单词 | θ91386 | 
| 释义 | the world > action or operation > manner of action > effort or exertion > 			[noun]		 > instance of > an effort > strong or muscular (4)		 strain1590 A strong muscular effort; †spec. an effort to vomit, a retching; a straining at stool. hefta1616 A heave, a strain; a heaving effort. Obsolete. Subcategories:— 			required to move resisting body			(2)		 | 
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