noun
1. : the nest in which a bird lays eggs and hatches young
2.
a. : edible bird's nest ; also : a substitute used in the preparation of soup
b. : any of several dishes commonly containing nuts or fruit (as an apple dumpling or a cobbler)
3. : any of several plants having a real or fancied resemblance to a bird's nest ; especially : wild carrot
4. : crow's nest 1a
5. : a snarl of fishing line at the reel : backlash