Word: helideck
Part of speech: Noun
Syllables: he
li
deck
Definition: A platform (on a vessel or offshore structure) allowing helicopters to land and take off.
Morphemes:
Affix: heli-
Language: en
PoS: Prefix
Meaning: helicopter
Affix: deck
Language: en
PoS: Noun
Meaning: A main aeroplane surface, especially of a biplane or multiplane.