Signs for THUMB

Meaning: The short, thick, inner digit of the human hand, next to the forefinger.

This is one way to sign it. There are variants to it.

Related signs: HAND, FINGER.

Thumb in phonological acquisition

Did you know that thumb is not easy to use in baby/toddler's language acquisition, specifically phonological acquisition? It takes about 24 months more or less to use it properly in ASL.

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