What does the word aptitude mean?

Usage examples for aptitude

  1. He was put to work in the iron mines as soon as he was able to earn a few pennies daily, and he soon developed a remarkable aptitude for mechanics. – American Men of Mind by Burton E. Stevenson
  2. The Romans, notwithstanding their aptitude for law, cared little for consistency in their distribution of privileges between men and women. – Roman Women Woman: In All Ages and in All Countries, Volume 2 (of 10) by Alfred Brittain