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名詞

LWOST (uncountable)

1. (nautical) Abbreviation of low water ordinary spring tides.
   • 1948 September and October, “Weekend Works in the Severn Tunnel”, in Railway Magazine, page 298:

     At high tide, 2¼ miles of the tunnel are under water, but at low tide, a wide expanse of rocks is left uncovered, and the main stream of the river flows through a channel 55 ft. deep at l.w.o.s.t., but little more than ¼ mile wide, known as the Shoots, some 1½ miles from the eastern (Gloucestershire) bank.