Speak (verb)

1. To produce words or speech.
2. To communicate by means of spoken language.
3. To express oneself in spoken language.
4. To talk or converse.
5. To give a speech or presentation.

Origin:

From middle english speken, from old english sprecan ("to speak, talk"), from proto-germanic *sprekaną ("to speak, talk"), from proto-indo-european *spreg- ("to speak, say").

Examples:

1. He spoke to the crowd.
2. She spoke to her friend.
3. He spoke in English.
4. She spoke in French.
5. He spoke at the conference.