vaalaluu tähendus null.

whalebone▼◼◼◼[UK: ˈweɪl.bəʊn] [US: ˈweɪlboʊn]

baleen▼◼◻◻[UK: bə.ˈliːn] [US: bə.ˈliːn]

whale [whales]▼◼◼◻noun
[UK: weɪl] [US: ˈweɪl]