Ang kahulugan ng diksyunaryo ng salitang "pacing" ay ang pagkilos ng pagtatakda ng bilis o ritmo kung saan nangyayari, umuusad, o ginaganap ang isang bagay. Maaari itong tumukoy sa bilis ng paglalakad o paggalaw ng isang tao, o ang bilis ng paggawa o pagkamit ng isang bagay. Maaari din itong tumukoy sa ritmikong beat o tempo ng musika o pananalita, o ang timing at pagkakasunod-sunod ng mga pangyayari sa isang kuwento o salaysay. Sa isang medikal na konteksto, ang pacing ay maaaring tumukoy sa paggamit ng isang artipisyal na aparato upang i-regulate ang tibok ng puso ng isang pasyente.
1. Cianne was waiting for him when he arrived home, pacing his common room with nervous agitation.
2. Chief Flim had begun pacing the room, rubbing her chin as she walked.
3. I was getting stiff, so I stood, stretched, and started pacing.
4. I recalled the first time I saw Abit, a lanky kid nervously pacing around the front of the store, afraid the new owner would throw out his chair and ban him from his perch near the door.
5. She was pacing around the store, ringing her hands, picking up cans and putting them down in the wrong place.
6. He found himself pacing outside the bedchamber of his young King.
7. He was just now manifesting unmistakable signs of impatience, nervously pacing up and down, and unable to stand still for a moment.
8. We exited the car and walked toward the Prime, who was pacing the road with measured steps.
9. For several more minutes the Prime continued pacing, then he stiffened and turned, striding swiftly from the road onto damp dirt and pine needles.
10. The pain from his neck scar pulsed for the remainder of his pacing.