A@Mouth-ThumbBack Contact

Alternative forms

 * A@Chin-ThumbBack Contact
 * A@Mouth-ThumbBack A@NearPalm-ThumbUp-BentB@CenterSternumhigh

Etymology
Compound with an initial letter 'A' and a gesture for "Be quiet". Suggests keeping one's lips closed.

Production

 * This one-handed ASL sign is produced as follows:
 * Posture the dominant hand in at the mouth with lips closed, thumb back, palm facing across.
 * Touch the hand to the mouth once or more.
 * Hold the hand still briefly.

Noun

 * 1) secret
 * 2) privacy
 * 3) confidentiality
 * 4) secrecy; concealment

Adjective

 * 1) secret
 * 2) private
 * 3) classified; confidential