From big +‎ nose.

bignose (not comparable)

1. Applied to various kinds of fish characterized by a large nose.

• largenose

• bignose fanskate
• bignose shark

bignose (plural bignoses)

1. (informal) Someone with a large nose
2. A shark (Carcharhinus altimus)

• Boeings, Songbei, big ones, biogens