porthole

1.I peep out the porthole and see a sea of clouds.

我从飞机的舷向外张望，看到一片云海。

2.A violent equinoctial gale had come up, which had first staved in a grating and a porthole on the larboard side, and damaged the foretop-gallant-shrouds;

一阵暴风吹来，使船头的左侧和一扇舷破裂，并且损坏了前桅绳索的栓柱。