The Collaborative International Dictionary
lactating \lactating\ adj. actively producing milk; -- of female mammals.
Wiktionary
vb. (present participle of lactate English)
WordNet
Usage examples of "lactating".
Among three samples of Dyak fruit bats caught at different places and seasons, two included lactating males, lactating females, and pregnant females, but adults of both sexes in the third sample were reproductively inactive.
Hormones released in pregnant and lactating females produce a further mammary growth spurt and start milk production, which is then reflexly stimulated by nursing.
However, others may have been suckled because they had less distended (but still functional) glands, as in lactating females.
Microscopic examination of the testes revealed apparently normal sperm development in the lactating males.
Those men were being defended by others who insisted on replacing the lactating ones.
Because she put his back up every bit as much as he put up hers, he went back into the stall to finish medicating the lactating mare and her foal.