mufti - Civilian clothes worn by a person who usually wears a uniform. More...

uniform - Something that is uniform has literally only "one form," from Latin unus, "one," and forma, "form." More...

doughboy - The small round doughnuts served to sailors in the 19th century were called doughboys—and they resembled the round buttons on the sailors' uniforms—so the sailors came to be known as this. More...

slack water, slack tide - Before any turn of the tide, there is a time of slack water or slack tide. More...

happy as a clam - Originally happy-as-a-clam-at-full-tide; it may refer to the fact that when the tide is full, nobody is digging clams. More...

tidy - Comes from tide, which in Old English meant "time period"; its original meaning was "timely, opportune." More...

leisure - Based on Latin licere, "be allowed." More...

scholastic - Based on Latin scholasticus, "devote one's leisure to learning." More...

vacation - Coming from Latin vacation/vacatio, from vacare, "to be free, empty; to be at leisure," around 1395, this term entered Old English, meaning "rest and freedom from any activity." More...