Watercourse

ge#ce-1 wa;ter;course pronunciation: function: noun date: 1510 1 : a natural or artificial channel through which water flows2 : a stream of water (as a river, brook, or underground stream)

Chronologist

chro;nol;o;gist pronunciation: function: noun date: 1611 : an expert in chronology

Debones

de;bone pronunciation: function: transitive verb date: 1944 : bone lt;debone a roastgt;— de;bon;er noun

とばく 賭博

gambling.賭博師　a gambler.賭博場　a gambling place; a casino.