The official USB specification documents periodically define the term male to represent the plug, and female to represent the receptacle.
From the en.wikipedia.org
After you sand down the port side edge, plug a torn apart female USB drive into the male port.
From the techcrunch.com
The male uses the excretions of its cement glands to plug the vagina of the female, preventing subsequent matings from occurring.
From the en.wikipedia.org
On the 14 occasions a sexual plug was made, the female produced it without assistance from the male.
From the economist.com
Without this up suck, the male seed remains outside the womb, barred entry by a mucus plug that forms when the wife is fertile.
From the economist.com
When the research team knocked out this enzyme in male mosquitoes in the lab, the fluids failed to coagulate and form the plug.
From the sciencedaily.com
These specialized genitalia are usually damaged during mating, breaking off inside the female, and forming a plug to prevent subsequent fertilization by a different male.
From the sciencedaily.com
When they mate, the male transfers sperm to the female and then afterwards transfers a coagulated mass of proteins and seminal fluids known as a mating plug.