a person who assists the driver in crewing a locomotive
noun 1. the officer of a merchant vessel next in command beneath the first mate. noun 1. the next in command of a merchant vessel after the first mate Also called second officer
noun, British. 1. the transfer of a military officer or corporate executive to another post for temporary duty. noun 1. (Brit) a temporary transfer to another job or post within the same organization
- Second molar
second molar n. The seventh permanent or fifth deciduous tooth located in the upper and lower jaw on either side.
noun 1. a mortgage the lien of which is next in priority to a first mortgage. second mortgage noun 1. a mortgage incurred after a first mortgage and having second claim against the security