Glossary of terms used in boatbuilding and boating. boat speak terms we use to describe our designs. this glossary was originally published in our webletters.. Boat plans and boat designs from select naval architects, yacht designers, and marine architects. powerboat plans, sailboat plans, monohull, multihull, and trihull.  8′ puddle duck racer one design racing sailboat based on bolger brick. developmental class, defined hull, unlimited sail rig and underwater fins..