The thumb is also known as

Options

A. Hallux
B. Prehallux
C. Calcar
D. Pollex

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for another name for the thumb, which is a digit on the human hand.

2. **Analyzing the Options**:
- **Option 1: Helix**: This term refers to the first toe of the foot, not related to the thumb.
- **Option 2: Pre Helix**: This term is used for the first toe in frogs, which is also not related to the thumb.
- **Option 3: Calcard**: This term refers to a specific cartilage in the toes of bats, again not related to the thumb.
- **Option 4: Polix**: This is the correct term for the thumb.

3. **Conclusion**: After analyzing all the options, the thumb is also known as "Polix".

**Final Answer**: The thumb is also known as Polix.

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