The sign for "lecture" is the right sign to use if you
have to "give a talk" in your history class. This sign is used for
those times when you are giving a "formal address or presentation
before a group."
LECTURE / GIVE A SPEECH / Give a talk:
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American
Sign
Language (ASL) online at American Sign Language University ™
ASL resources by Lifeprint.com © Dr. William Vicars