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Just because a usage is noted in the American Heritage Dictionary (AKA the book of poor usage) doesn't mean that it's an example of good grammar.
And I've not heard of the wine being "lachrymose". How lovely!
I was taught that it has "legs" and that the deeper the red, and the fuller the body, the more pronounced the legs. So now I have another little wine tidbit to file away and bring out when my husband and I are being wine snobs in the privacy of our home.
As for "a debt of gratitude", I always have thought of it as something that requires more than a simple "thank you", for example, snatching one's child out of the path of a runaway car.