Clay
Part of speech: noun
Definition: A mineral substance made up of small crystals of silica and alumina, that is ductile when moist; the material of pre-fired ceramics. An earth material with ductile qualities. A tennis court surface. (Biblical) The material of the human body.
Mud
Part of speech: verb
Definition: To make muddy, dirtyTo make turbid
Part of speech: noun
Definition: A dirty mixture of water and soilA plaster-like mixture used to texture or smooth drywall(construction industry slang) Wet concrete as it is being mixed, delivered and pouredWillfully abusive, even slanderous remarks or claims, notably between political opponentsMoney, doe, especially when proceeding from dirty business