01 n. Homesickness; esp., a severe and sometimes fatal form of melancholia, due to homesickness.
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1.
Homesickness; esp., a severe and sometimes fatal form of melancholia, due to homesickness.(Med.)
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2.
A sentimental yearning to return to an earlier time remembered as happier or more pleasant, or a former place evoking happy memories; a longing to experience again a former happy time; as, a nostalgia for the brotherhood of the Woodstock music festival; a nostalgia for the comradeship of one's college friends.