noun
white whale; beluga
Refers to a white-colored whale, especially the beluga whale. Also used as the Japanese title for Melville's 'Moby-Dick'.
水族館で白鯨を見た。
I saw a white whale at the aquarium.
メルヴィルの『白鯨』は有名な小説だ。
Melville's 'Moby-Dick' is a famous novel.
noun
baleen from a gray whale; whale whiskers (for crafts)
Specifically the baleen plates (whiskers) from a gray whale, traditionally used in crafts such as making combs or ornaments. Not a common everyday word.
白鯨のひげは工芸品に使われる。
Baleen from a gray whale is used in crafts.