u-boat
Word Rarity
Uncommon
Frequency: Zipf frequency 4.56 in modern English
7
Scrabble Score
5
Letters
2
Syllables
5
Unique Chars
Meaning
noun
Any German submarine of the First or Second World War, or any Austro-Hungarian submarine of the First World War.
Etymology
Calque of German U-Boot; retail sense separately coined and reinforced by the well-known historical U-boat.
Usage
Subject
Wiktionary places this term in Military.