Ooh... Never heard this before, but I like it! Maybe you could use Coco as a nickname. I'm not a big fan of the names Nicole and Nicoline, but Coline sounds prettier. It would also make a good middle name.
"Colline" is the actual French word for "hill." Coline is simply Coline.In either case, I think this is a gorgeous name. If I ever used it, it would be completely independent of Nicole (which I've never been a fan of). In fact, I see Coline as a more attractive (in my opinion) alternative to Colleen.
― Anonymous User 7/6/2010
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It's a French pet form of Nicoline, a female variant of Nicolas. [noted -ed]