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Webster's Dictionary (1865)

2 entries under this word

Sprain

Sprāin, v. t.

verbtransitive

[imp. & p. p. SPRAINED; p. pr. & vb. n. SPRAINING.] [O. Fr. espreindre, N. Fr. épreindre, to press, to force out, from Lat. exprimere. See EXPRESS.] To weaken, as a joint or muscle, by sudden and excessive exertion; to overstrain; to stretch, as muscles or ligaments injuriously, but without luxation or dislocation.

Sprāin, n.

noun

n. The weakening of the motive power of a part, by sudden and excessive exertion; an excessive strain of the muscles or ligaments of a joint, without dislocation.