not widely distributed; "rare herbs"; "rare patches of gree in the desert";
not widely known; especially valued for its uncommonness; "a rare word"; "rare books";
(of meat) cooked a short time; still red inside; "rare roast beef";
recurring only at long intervals; "a rare appearance"; "total eclipses are rare events";
marked by an uncommon quality; especially superlative or extreme of its kind; "what is so rare as a day in June"-J.R.Lowell; "a rare skill"; "an uncommon sense of humor"; "she was kind to an uncommon degree";
having low density; "rare gasses"; "lightheaded from the rarefied mountain air";
