cæsar-weed

from The Century Dictionary.

• noun A shrubby tropical weed, Urena lobata, introduced into Florida, where it is thus called, and where it is sometimes taken for the ramie-plant. See Urena and Spanish *bur.
• noun A form of icecream consisting chiefly of a well-beaten mixture of yolks of eggs, sugar syrup, and drained whipped cream, flavored with strong coffee and frozen without stirring.