Word: mouthing
Part of speech: Noun
Syllables: mou
thing
Definition: The act of forming a shape with the mouth, especially as part of sign language.
Morphemes:
Affix: mouth
Language: en
PoS: Verb
Meaning: To form with the mouth.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form uncountable nouns from verbs denoting the act of doing something, an action.