Word: undersill
Part of speech: Noun
Syllables: un
der
sill
Definition: A sill placed underneath something.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: sill
Language: en
PoS: Noun
Meaning: (also window sill) breast wall; window breast; horizontal brink which forms the base of a window.