MARGIN n.
Collateral security deposited with a broker to secure him from loss on contracts entered into by him on behalf of his principial, as in the speculative buying and selling of stocks, wheat, etc. N. Biddle. Margin draft (Masonry), a smooth cut margin on the face of hammer-dressed ashlar, adjacent to the joints. -- Margi…
MOLLUSCA n.
podaScaphopoda, and Lamellibranchiata, or Conchifera. These animals have an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. Most of them develop a mantle, which incloses either a branchial or a pulmonary cavity. They are generally more or less covered and protected…