切り杭 is read as きりくい (kirikui) and means stump.
きりくい
kirikui
せつじつ
pertinent
きって
stamp (postage)
きり
delivery date (of a futures contract)
きる
to criticize sharply
きっぷ
ticket
せつだん
cutting
きりすてる
to cut off and throw away
きりどり
cutting (for a railroad, highway, etc.)
きりはなす
to cut off (from)
きりかえる
to change
せっぱく
pressure