Definition of "Poppy"

Poppy¹

proper noun
1. (chiefly UK) A female given name from English, a flower name used since the end of the 19th century.
  Quotations
  "It is a very pretty name, Mma. I should like to be called Poppy."The compliment drew a smile. "I used to be very embarrassed about it," said Poppy. "I used to try to hide my name from people. I thought it was a very silly name."Mma Ramotswe shook her head. There was nothing embarrassing about the name Poppy, but there was no telling what names people would find embarrassing.
  2006, Alexander McCall Smith, Blue Shoes and Happiness

Poppy²

proper noun
1. (as a term of address) Alternative form of poppy (“father, grandfather, or other male authority figure of a similar standing”)
  Quotations
  My grandfather, whom we all call "Poppy", loves children and enjoys imparting his knowledge of aspects to them....Cell phones were not invented at the time, however, so I could not contact Poppy to help me end the hiccups.
  2008 April 29, Steven Keslowitz, From Poland to Brooklyn, page 120
2. (informal) Former U.S. president George H. W. Bush