I. mulch1 /mʌltʃ/
noun [countable usually singular, uncountable][
Date: 1600-1700;
Origin: Probably from melch 'soft' (14-19 centuries)]
a substance such as decaying leaves that you put on the soil to improve its quality, to protect the roots of plants, or to stop
weeds growing
[TahlilGaran] Dictionary of Contemporary English ▲