(a)  a person who is innocent, gentle and timid (especially a child)

(b)  a person who is easily cheated in money matters

(c)

lamb skin gloves

{also ‘lambskin’} a lamb’s skin with wool on it, made into garments, especially for children

2. the Lamb =  a title given to Jesus Christ

3. to lamb down  =

(a)  to keep someone from leaving (the place or company, usually at a gambling table) until his/her money is spent

(b)  to spend money recklessly

4. (a)  as gentle as a lamb

(b)  as quiet as a lamb

(c)  as innocent as a lamb

5. stupid/daft as a cuddy  (‘cuddy’ = a sucking lamb)

6. to skin the lamb [(A) in a horse race, said of bookmakers when an unknown horse wins, (B) to take the pool in playing-card game]

7. mutton dressed as lamb (‘mutton’, in this context = a ewe = a female sheep) [said of an aged woman behaving like a young girl]

8. a lamb in the house and a lion in the field [said of a man who is forceful, dominant in public but who is submissive or henpecked at home]