く
句

noun, noun used as a suffix

1. section (i.e. of text), sentence, passage, paragraph.
2. Linguistics terminology.phrase.
3. verse (of 5 or 7 mora in Japanese poetry; of 4, 5, or 7 characters in Chinese poetry).
4. haiku, first 17 morae of a renga, etc..
5. maxim, saying, idiom, expression.
6. Computer terminology.clause (e.g. in a database query language).