| RARE | not widely distributed |
|---|---|
| RARE | not widely known |
| RARE | (of meat) cooked a short time |
| RARE | recurring only at long intervals |
| RARE | marked by an uncommon quality |
| RARE | having low density |
| RARE | a rare or unique person |
| RARE | any element of the lanthanide series (atomic numbers 57 through 71) |
| RARE | any element of the lanthanide series (atomic numbers 57 through 71) |
| RARE | cheese melted with ale or beer served over toast |
| RARE | a street show |
| RARE | an exhibition of pictures or objects viewed through a small hole or magnifying glass |