noun
bamboo rod; bamboo stick; bamboo pole
A rod, stick, or pole made of bamboo. Often used as a walking stick or for support.
祖父は竹の杖をついて散歩に出かけた。
My grandfather went for a walk leaning on a bamboo cane.
庭に竹の杖が立てかけてある。
A bamboo pole is leaning against the garden.
杖 is a general term for a cane or walking stick, not necessarily made of bamboo.
竹竿 refers specifically to a bamboo pole, often longer and used for hanging laundry or fishing, while 竹の杖 is more commonly a walking stick.
Compound of 竹 (bamboo) + の (possessive particle) + 杖 (cane, stick). Literally 'bamboo cane'.