Word: downtube
Part of speech: Noun
Syllables: down
tube
Definition: Alternative form of down tube. A tube in the bicycle frame that connects the bottom bracket shell to the head tube.
Morphemes:
Affix: down
Language: en
PoS: Noun
Meaning: That which is made of down, as a bed or pillow; that which affords ease and repose, like a bed of down.
Affix: tube
Language: en
PoS: Noun
Meaning: One of the tubular tunnels of the London Underground.