Common noun

rod; pole

Common noun; Esp. 棹

neck (of a shamisen, etc.); shamisen

Common noun

beam (i.e. the crossbar of a balance)

Common noun

single line (esp. as a flying formation for geese)

Slang; Common noun

penis

Counter

counter for flags (on poles); counter for long, thin Japanese sweets (e.g. yōkan)

fishing rod

pole on which to hang laundry for drying; clothesline

Slang

penis; cock

bamboo pole

flagstaff; flagpole

Word usually written using kana alone

arabis (any plant of genus Arabis, esp. tower mustard, Arabis glabra); rock cress

bolting upright; rearing up (horse)

letter; missive; note

top of a pole

bamboo pole