noun
: a frame at or near the sternposts through which both shafts pass in a twin-screw ship having the stern bossed out to surround both shafts
noun
: a frame at or near the sternposts through which both shafts pass in a twin-screw ship having the stern bossed out to surround both shafts
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012