noun (-, sg=sea sawdust)
- Marine blue-green algae (cyanobacteria, actually brown coloured) of the family Trichodesmium.
- 1770: The seamen who are now convinc'd that it was not as they had thought the spawn of fish began to call it Sea sawdust, a name certainly not ill adapted to its appearance. — The Endeavour Journal of Sir Joseph Banks http://gutenberg.net.au/plusfifty.html
- banks at Project Gutenberg Australia
Etymology: Coined by sailors on w:James Cook, Captain James Cook's 1768-71 voyage (his first voyage) to the south seas and Australia.
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