What does the word fatten mean?

Usage examples for fatten

  1. People told me it would fatten the camel as well as restore its hair. – Travels in the Great Desert of Sahara, in the Years of 1845 and 1846 by James Richardson
  2. Ducklings kept out of the water, do not take as much exercise and, in consequence, fatten a little more readily. – Ducks and Geese by Harry M. Lamon Rob R. Slocum
  3. Cover tight then and leave standing six weeks longer, so the wine may fatten on the lees. – Dishes & Beverages of the Old South by Martha McCulloch Williams