Here are online definitions:
koi
Main Entry: koi
Pronunciation: \'koi\ Function:
noun Inflected Form(s):
plural koi Etymology: Japanese Date: 1727
: a carp (
Cyprinus carpio) bred especially in Japan for large size and a variety of colors and often stocked in ornamental ponds
herd
3 entries found.
herd[1,noun]herd[2,verb]ride[1,verb]
Main Entry: 1herd
Pronunciation: \herd\ Function:
noun Etymology: Middle English, from Old English
heord; akin to Old High German
herta herd, Middle Welsh
cordd troop, Lithuanian
kerdžius shepherd Date: before 12th century 1 a
: a number of animals of one kind kept together under human control b
: a congregation of gregarious wild animals2 a (1)
: a group of people usually having a common bond <a
herd of tourists> (2)
: a large assemblage of like things b
: the undistinguished masses
: <isolate the individual prophets from the
herd — Norman Cousins>
— herd·like
\-līk\
adjective
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Seems like they are exchangeable. Question is, which one is better use for "koi"?
thx,
--Dinh