To sing or utter in falsetto.
A person who sings in falsetto.
The "false" (singing) voice in any human, usually airy and lacking a purity of vowels; created by utilizing the next highest vocal folds above those used for speech and normal range singing. It is commonly confused with the head voice register.
To complain or argue in a trivial or petty manner.
To contest, especially some trivial issue in a petty manner.
An objection or argument based on an ambiguity of wording or similar trivial circumstance; a minor complaint.