copulation <LEV15 -16> And if any man's seed of {copulation} go out from him, then he shall wash all his flesh in water, and be unclean until the even.
copulation <LEV15 -17> And every garment, and every skin, whereon is the seed of {copulation}, shall be washed with water, and be unclean until the even.
copulation <LEV15 -18> The woman also with whom man shall lie [with] seed of {copulation}, they shall [both] bathe [themselves] in water, and be unclean until the even.

 
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