| a large seal, Cystophora cristata, the male of which has a large, distensible, hoodlike sac on the head. |
blad·der·nose (blād'ər-nōz') n. See hooded seal. |
| hooded seal n. A seal (Cystophora cristata) of northern seas, having a grayish, spotted coat and an inflatable hoodlike or bladderlike pouch in the region of the nose. Also called bladdernose. |