bow net

from The Century Dictionary.

• noun A contrivance for catching lobsters and crawfish, made of two round wicker baskets, pointed at the end, one of which is thrust into the other, and having at the mouth a little rim bent inward to oppose the return of the fish.

from the GNU version of the Collaborative International Dictionary of English.

• A trap for lobsters, being a wickerwork cylinder with a funnel-shaped entrance at one end.
• A net for catching birds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A trap for lobsters, consisting of a wickerwork cylinder with a funnel-shaped entrance at one end.
• noun A net for catching birds.