Q: Does "negociate" have the same meaning in the following two sentences?

Negociate securities.

The pianist negociated the difficult runs.

A: different meanings

Q: Does "beat" have the same meaning in the following two sentences?

The grandfather clock beat midnight.

Beat one's breast.

A: different meanings

Q: Does "rotation" have the same meaning in the following two sentences?

The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.

The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.

A:
different meanings