竿

also 棹

1. noun rod; pole
2. esp. 棹 neck (of a shamisen, etc.); shamisen
3. beam (i.e. the crossbar of a balance)
4. single line (esp. as a flying formation for geese)
5. slang penis
6. counter counter for flags (on poles); counter for long, thin Japanese sweets (e.g. yōkan)

かん

1. suffix, counter counter for poles, rods, etc.