Word: deadlight
Part of speech: Noun
Syllables: dead
light
Definition: A strong (often wooden) shutter fitted over a porthole, that can be closed in bad weather to keep water out and discourage the glass windows from breaking.
Morphemes:
Affix: dead
Language: en
PoS: Adjective
Meaning: Constructed so as not to transmit sound; soundless.
Affix: light
Language: en
PoS: Noun
Meaning: A window, or space for a window in architecture.