A nest built by a male-bird, as by species of wren, and not used for incubation.

1

1859–78.  Darwin, Orig. Spec., viii. 234. The male wrens (Troglodytes) of North America build cock-nests to roost in, like the males of our kitty-wren.

2

1860.  All Y. Round, No. 63. 295/1.

3