finback
noun
finback is a noun meaning “A large baleen whale, Balaenoptera physalus, that has a ridge on its back; the fin whale” (English Wiktionary, September 2026). It is spelled F-I-N-B-A-C-K, and it appears about once in every 55 million words in written English (wordfreq, 2021 data). The plural of finback is finbacks.
What does finback mean?
noun
- 1
A large baleen whale, Balaenoptera physalus, that has a ridge on its back; the fin whale.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of finback
- finbacks plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is finback?
Finback appears about once in every 55 million words in written English, the 231,291st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does finback come from?
From fin + back.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).