Word: kneeboard
Part of speech: Noun
Syllables: knee
board
Definition: A short (often less than 6'), broad (sometimes extremely broad) surfboard designed to be ridden in the surf in a kneeling position, and often having traction pads in the central area as an alternative to wax, to help the knees grip the deck.
Morphemes:
Affix: knee
Language: en
PoS: Noun
Meaning: Any knee-shaped item or sharp angle in a line; an inflection point.
Affix: board
Language: en
PoS: Noun
Meaning: Short for blackboard, whiteboard, chessboard, surfboard, circuit board, message board (on the Internet), etc.