broadening
noun
- wider open water area in sounds, fjords or other narrow marine-related waters
- (cause to) become broader, wider
Wiktionary
Pronunciation: /ˈbɹɔː.də.nɪŋ/ / /ˈbɹɔːd.nɪŋ/ / /ˈbɹɔ.də.nɪŋ/
noun
- The act of becoming broader.
- The act of making (something) broader.
verb
- present participle and gerund of broaden