Diminutive

Part of speech: noun (n.)

1. Something of very small size or value; an insignificant thing. Such water flies, diminutives of nature. Shak.

2. A derivative from a noun, denoting a small or a young object of the same kind with that denoted by the primitive; as, gosling, eaglet, lambkin. Babyisms and dear diminutives. Tennyson.

Part of speech: adjective (a.)

1. Below the average size; very small; little.

2. Expressing diminution; as, a diminutive word.

3. Tending to diminish. [R.] Diminutive of liberty. Shaftesbury.