Word: whistler
Part of speech: Noun
Syllables: whis
tler
Definition: The goldeneye (certain ducks of genus Bucephala).
Morphemes:
Affix: whistle
Language: en
PoS: Noun
Meaning: The mouth and throat; so called as being the organs of whistling.
Affix: -er
Language: en
PoS: Suffix
Meaning: Used to form diminutives.