As nouns the difference between terms and riggot
is that terms is while riggot is (dialectal|england) the draining of a surface mainly by rain water.
terms
English
Noun
(head)
Statistics
*
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riggot
English
Noun
(
en noun)
(dialectal, England) the draining of a surface mainly by rain water
Synonyms
* gutter
Related terms
* rigolet, rivulet
References
Webster's Third New International Dictionary, Unabridged . Merriam-Webster, 2002. unabridged.merriam-webster.com
(18 Nov 2012)