To introduce or inject semen into the reproductive tract of (a female).
To sow seed in.
[Latin īnsēmināre, īnsēmināt-, to implant, impregnate : in-, in; see in-2 + sēmināre, to plant (from sēmen, sēmin-, seed; see semen).] in·sem'i·na'tion n., in·sem'i·na'tor n.