Word: highwall
Part of speech: Noun
Syllables: high
wall
Definition: The unexcavated face of exposed overburden and coal in a surface mine.
Morphemes:
Affix: high
Language: en
PoS: Adjective
Meaning: Pertaining to (or, especially of a language: spoken in) in an area which is at a greater elevation, for example more mountainous, than other regions.
Affix: wall
Language: en
PoS: Noun
Meaning: A rampart of earth, stones etc. built up for defensive purposes.
Etymology Compounds: Affix: vallum
Language: la
Decoded: vallum
Meaning: wall, rampart, entrenchment, palisade