Definition of worm cast in English:

worm cast

(also worm casting)


  • A convoluted mass of soil, mud, or sand thrown up by an earthworm or lugworm on the surface after passing through the worm's body.

    • ‘Because nutrient levels are so low in worm castings, they are - like compost - considered more a soil amendment than a fertilizer.’
    • ‘The worms started excreting worm casts from the tail shaft of the burrow 4 days after the experiment began.’
    • ‘On the rippled sand, peppered with worm casts, you may find spooters or razor shells and small sea urchins or sea potatoes.’
    • ‘‘Look for lemon-shaped worm castings,’ he instructs me, bending low in search of mini - bowel movements, his nose dripping with sweat.’
    • ‘They simply eat your rubbish and turn it into worm casts (you can guess what a cast is); this is about as rich a compost as you can get.’
    • ‘Before planting, he fills pots with four parts potting soil to one part worm castings (available at nurseries).’
    • ‘He noted that objects on the surface of soil, such as stones and archaeological relics, sink into the ground as they are buried by worm casts.’
    • ‘Add lots of organic matter to the soil, worm castings and water regularly.’
    • ‘I like to make my own organic mix using peat and about 20% worm casts.’
    • ‘Darwin demonstrated that worm castings were indeed transported down slopes from fertile soils to areas where such soils were not being developed by the action of worms.’
    • ‘He also intends to sell what experts politely refer to as worm castings: excrement that is a nutrient-rich alternative to potting soil.’
    • ‘Organic fertilizers like compost and worm casts release their nutrients slowly and don't burn seedlings the way inorganic fertilizers may.’
    • ‘In contrast to the control tank, the mineralogy of the worm casts showed some noteworthy differences from the initial material.’
    • ‘Darwin also reported that after drying, worm castings were broken into smaller and smaller fractions, ultimately into dust-sized particles that could be carried on the wind.’
    • ‘Lately, he has been using pure worm castings for transplant mix and has found the results fantastic.’