Final answer:
Grade II on the Cormack and LeHane grading system of airway evaluation is described as a partial view of the glottis.
Step-by-step explanation:
Grade II on the Cormack and LeHane grading system of airway evaluation can be described as Option 2: Partial view of the glottis. The glottis is the opening between the vocal folds in the larynx through which air passes when producing speech. In Grade II, the viewer can only see a partial view of the glottis, indicating that the vocal folds are not fully visible.