- The zero meridian (0°), used as a reference line from which longitude east and west is measured. It passes through Greenwich, England.本初子午线：通过英国格林威治的零度（0°）子午线，用作参考经线，从本初子午线开始分别向东和向西计算全世界的地理经度
- Port Angeles
- Port Apra
- Port Arthur
- portative
- Port-au-Prince
- Port Charlotte
- Port Chester
- Port Colborne
- Port Coquitlam
- portcullis
- portcullised
- portcullises
- portcullising
- port de bras
- Port du Salut
- Porte
- porte bouquet
- porte-cochere
- porte-cochère
- ported
- Port Elizabeth
- portend
- portend
- portended
- portending