esca

noun4

1. •
   The fleshy growth from an anglerfish's head that acts as a lure for its prey.
2. •
   A fungal disease afflicting grapes.
3. •
   (historical) A traditional Galician unit of dry measure, equivalent to about 6–9 L depending on the substance measured.
4. •
   (historical) A kind of measuring cup once used for measuring escas of grain.

noun1

1. •
   Initialism of electron spectroscopy for chemical analysis.