Also known as: SP., SP-
SP has various meanings in the Ordnance Survey category. Discover the full forms, definitions, and usage contexts of SP in Ordnance Survey.
A projection. Curved timber used as a bracket. Timber attached to bilge of wooden vessel while building for protective purposes. Projecting piece on certain old types of anchor. Spiked sole of a whaleman's boot, used when flensing.
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