
1) Water transport
Found on
https://www.crosswordclues.com/clue/pratique

Pratique is the license given to a ship to enter port on assurance from the captain to convince the authorities that she is free from contagious disease. The clearance granted is commonly referred to as Free Pratique. A ship can signal a request for `Pratique` by flying a solid yellow square-shaped flag. This yellow flag is the Q flag in the set.....
Found on
http://en.wikipedia.org/wiki/Pratique

• (n.) Primarily, liberty of converse; intercourse; hence, a certificate, given after compliance with quarantine regulations, permitting a ship to land passengers and crew; -- a term used particularly in the south of Europe. • (n.) Practice; habits.
Found on
http://thinkexist.com/dictionary/meaning/pratique/
Prat'ique noun [ F.; confer Italian
pratica , Spanish
practica . See
Practice .]
1. (Com.) Primarily, liberty of converse; intercourse; hence, a certificate, given after compliance with quarantine regulations, permitting a ship to land passengers and crew; -- a term u...
Found on
http://www.encyclo.co.uk/webster/P/142

license or permission to use a port, given to a ship after quarantine or on showing a clean bill of health.
Found on
https://www.infoplease.com/dictionary/pratique
No exact match found.