“The yeshiva sent an appeal card to every yuchid, even a separate one for a husband and a wife.” (Weiser)
“He was a yuchid in his support for the unpopular decision.” (Weiser)
“You can't blame everyone for the acts of a yuchid.” (Weiser)
"Rabbi Perlow refuses on the basis of his being a yuchid and this being a tzibur matter." (source)