I. noun Etymology: Dutch ril or Low German ~e; akin to Old English rīth rivulet Date: 1538 a very small brook, II. intransitive verb Date: 1610 to flow like a ~, III. noun or ~e Etymology: German Rille, literally, channel made by a small stream, from Low German, ~ Date: 1868 any of several long narrow valleys on the moon's surface
RILL
Meaning of RILL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012