English noun: sulfur bottom | |||
| 1. | sulfur bottom (animal) largest mammal ever known; bluish-grey migratory whalebone whale mostly of southern hemisphere | ||
| Synonyms | Balaenoptera musculus, blue whale | ||
| Broader (hypernym) | baleen whale, whalebone whale | ||
| Member meronym | Balaenoptera, genus Balaenoptera | ||