Denshi Jisho — Online Japanese dictionary

竿 さお 1: rod; pole;
2: 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:
6: (Slang) penis; (Counter) counter for flags (on poles); counter for long, thin Japanese sweets (e.g. youkan)
Common word, Noun 
竿 かん counter for poles, rods, etc.
Suffix, Counter 
竿頭 かんとう top of a pole
Noun 
竿竹 さおだけ bamboo pole
Noun 
竿秤 さおばかり beam balance; steelyard
Noun 

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