DCHP-1 Online
mussel mud † Maritimes 
sea mud used as fertilizer.
See also: oyster mud
- 1825 Plenty of manure [is] at hand, either kelp, seaweed, mussle-mud. . . .
- 1861 These rivers have abundance of muscle mud, so valuable as manure.
- 1915 (1916) This mussel-mud, as it is called is a very valuable fertilizer and, up to two years ago, the immense shell-mud deposits of St. Peter bay were practically untouched....
- 1965 The land [in P.E.I.] was not mined to exhaustion; instead the sea enriched it; "mussell-mud," heavy with lime, was dredged laboriously from the coves and inshore waters; a herring was planted in every potato hill.
- 1825 Plenty of manure [is] at hand, either kelp, seaweed, mussle-mud. . . .