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1. A post used as a foundation; a pile.
2. A wooden plug; a bung.
3. A spout used in taking sap from a tree.
tr.v. spiled, spil·ing, spiles
1. To support with a spile.
2. To plug or tap with a spile.

[Dutch spijl, wooden pin, from Middle Dutch spīle.]


 pilings collectively, 1841.
References in classic literature ?
and load up the cabin with rats and snakes and so on, for company for Jim; and then you kept Tom here so long with the butter in his hat that you come near spiling the whole business, because the men come before we was out of the cabin, and we had to rush, and they heard us and let drive at us, and I got my share, and we dodged out of the path and let them go by, and when the dogs come they warn't interested in us, but went for the most noise, and we got our canoe, and made for the raft, and was all safe, and Jim was a free man, and we done it all by ourselves, and WASN'T it bully, Aunty
Greenbank protection consisting of rock rolls, willow spiling and re-establishment of riperian vegetation.
Once the causes have been identified, teams will work with local landowners, businesses and anglers and carry out a range of measures including planting trees, stabilizing river banks use using willow spiling techniques or installing fences to hold back cows and sheep.