Find the word definition

Wikipedia
Mathilda (novella)

Mathilda, or Matilda, is the second long work of fiction of Mary Shelley, written between August 1819 and February 1820. It deals with common Romantic themes of incest and suicide.

Mathilda (gastropod)

'Mathilda ' is a genus of sea snails, marine gastropod mollusks in the family Mathildidae,