fertile

adj

Etymology: From Middle English, from Middle French fertile, from Old French fertile, from Latin fertilis (“fruitful, fertile”), from ferō (“to bear, carry”).

1. Of land, etc.: capable of growing abundant crops; productive.
2. Of one's imagination, etc.: active, productive, prolific.
3. Capable of reproducing; fecund, fruitful.

   “Most women at the age of fifty are not fertile.”

4. Capable of developing past the egg stage.
5. Not itself fissile, but able to be converted into a fissile material by irradiation in a reactor.

   “There are two basic fertile materials: uranium-238 and thorium-232.”

name

1. A city and township in Iowa.
2. A city in Minnesota.