an agreement that a person must keep to, especially one that has force in law; the document containing such an agreement

binder or fastener

a grey powder (made by burning lime and clay) which, after being wetted, becomes hard like stone and is used for building etc

gluing, binding material

unclean metal (e.g. dust, mud), especially when it is where it is not wanted (e.g. on the skin, clothes, in buildings)

grime, impurity

fungus

muck, gelled waste

a plant without leaves, flowers or green colouring (e.g. a mushroom), growing on other plants or on decaying matter (e.g. old wood)

muck, gelled waste

a kind of liquid substance used for sticking things

adhesive

(a coating of) dirt on the surface of something or on the body

dirt

(to put on) one of a pair of metal rings joined by a chain, fastened round a prisoner's wrist

bond

stringed musical instrument (14th to 17th centuries) associated with poets and poetry

gluing, binding material

soft, muddy ground

muck, morass

a sticky, slimy substance (as) produced by the mucous membrane

muck, gelled waste

soft liquid mud, especially on a river-bed, the bottom of a pond, lake etc; (of moisture, thick liquid) to pass slowly through small openings

liquid emitted

(an area of) loose, wet, deep sand which sucks down whatever tries to cross it

muck, morass

any substance (e.g. sand, dirt) that settles on the bottom of a liquid

solid residue from liquid solution

soft, sticky mud; a sticky substance from snails etc

muck, gelled waste

thick mud; thick, dirty oil or grease

mud

a black powder in smoke or left after burning coal etc

carbon