Usually A single masted sailboat is a sloop, but there are different types of sloops, such as one with two sails up front and it is called a cutter. It is still a sloop though, just a version of a sloop. In modern boats two masts would be either a ketch, yawl or schooner, but that's a whole other discussion.
masthead
junk?
Angelina
yes
Einstein's sailboat was named "Tinef" which is "Einstein" spelled backwards.
Sail+boat
Sailboat is your head Sailboat is your headSailboat is your head
A matter of personal opinion
Found the name: Cheoy Lee
It's called the "companionway".
Sailboat racing
Sailboat is a noun.