Chapter Ontogenesis to Open of O by Webster's Dictionary (1913 Edition)

To open one's mouth

, to speak. — To open up, to lay open; to discover; to disclose.

Poetry that had opened up so many delightful views into the character and condition of our "bold peasantry, their country's pride."

Prof. Wilson.

Open
(O"pen), v. i.

1. To unclose; to form a hole, breach, or gap; to be unclosed; to be parted.

The earth opened and swallowed up Dathan, and covered the company of Abiram.

Ps. cvi. 17.

2. To expand; to spread out; to be disclosed; as, the harbor opened to our view.

3. To begin; to commence; as, the stock opened at par; the battery opened upon the enemy.

4. (Sporting) To bark on scent or view of the game.