Adverb ou Advérbio
1. adv. By limitation to the number one; for one time; not twice nor any number of times more than one.
2. adv. At some one period of time; -- used indefinitely.
3. adv. At any one time; -- often nearly equivalent to ever, if ever, or whenever; as, once kindled, it may not be quenched
And he said, Oh let not the Lord be angry, and I will speak yet but this once: Peradventure ten shall be found there. And he said, I will not destroy it for ten's sake.
Now therefore forgive, I pray thee, my sin only this once, and intreat the LORD your God, that he may take away from me this death only.
And Aaron shall make an atonement upon the horns of it once in a year with the blood of the sin offering of atonements: once in the year shall he make atonement upon it throughout your generations: it is most holy unto the LORD.