Word: lightbox
Part of speech: Noun
Syllables: light
box
Definition: A box containing fluorescent tubes or LED technology, used to treat people with seasonal affective disorder (SAD) and circadian rhythm disorders.
Morphemes:
Affix: light
Language: en
PoS: Noun
Meaning: A source of illumination.
Affix: box
Language: en
PoS: Noun
Meaning: Short for signal box