cuttlebone
cut tle bone |ˈkətlˌbōn ˈkədlboʊn | ▶noun the flattened oval internal skeleton of the cuttlefish, which is made of white, lightweight, chalky material. It is used as a dietary supplement for caged birds and for making casts for precious metal items.
cuttle |bone |ˈkʌtlbəʊn | ▶noun the flattened oval internal skeleton of the cuttlefish, which is made of white lightweight chalky material. It is used as a dietary supplement for cage birds and for making casts for precious metal items.
The Wordsmith Dictionary
The Wordsmith Dictionary