ice•berg (-bûrg), n. a large floating mass of ice detached from a glacier and carried out to sea

bow (bou) n. the forward end of a ship or boat

stern (stûrn), n. the after part of a ship or boat

star•board (-bôrd), n. the right hand side of a ship or aircraft facing forward

first•class, n. 1. the best or highest class or grade. 2. the most expensive class of travel accommodation

sec•ond class, n. the class of accommodations inferior to first class but superior to third class

third class, n. 1. the least costly class of accommodations adj. 2. of the lowest class or quality

steer•age (-ij), n. accommodations in a passenger ship for travels who pay the cheapest fare

life•boat, n. a ship's boat designed to rescue persons from a sinking ship

life•preserver, n. a buoyant device for keeping a person afloat

dav•it (dàa•vit), n. a cranelike device used on a ship for raising and lowering boats, anchors, etc.

crow's•nest, n. a platform for a lookout high on a ship's mast

look•out, n. 1. the act of keeping watch 2. a person keeping a watch 3. a place from which a watch is kept

quar•ter•mas•ter, n. a petty officer in charge of a ship's helm and navigating apparatus

bulk•head, n. a wall-like construction inside of a ship for forming watertight compartments

wa•ter•tight, adj. constructed or fitted so tightly as to be impervious to water