Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong :
Ilium, Sacrum, Ischium, Pubis

Explanation

To solve the question, we need to identify the odd one out from the terms provided: Ilium, Sacrum, Ischium, and Pubis. We will also categorize the remaining terms.

### Step-by-Step Solution:

1. **Identify the Terms**: We have four terms: Ilium, Sacrum, Ischium, and Pubis.

2. **Analyze Each Term**:
- **Ilium**: This is a bone that is part of the hip bone (pelvis).
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