speech organ
vocal organ
organ of speech

She continued to exercise her vocal organs mechanically, as ordinary children do.

But the cortex and vocal organs in Alcasan's head are used by a different mind.

The youth wondered what had happened to his vocal organs that he no more cursed.

It is already difficult for the vocal organs to form foreign sounds and it's virtually impossible to think alien thoughts.

I appeal for clemency in the name of the most sacred word our vocal organs have ever been called upon to speak.

Their syrinx (vocal organ) is able to produce varied and beautiful singing.

He was a collector, a taxidermist, and an expert on the vocal organs of birds.

This was natural, considering the difference between his vocal organs and theirs.

However, he had no control over his vocal organs, and Falck was too well-trained for any such breaks.

Type I males are eight times larger in body mass, and have much larger vocal organs.