the bud of a rose
"The gardener carefully pruned off the dried rosebud to make room for new growth on the bush."
(a literary reference to) a pretty young girl
"The old gardener gazed fondly at his granddaughter, calling her his beloved rosebud as she chased butterflies through the garden."
The bud of a rose.
"Sarah was so proud when she finally earned her badge as a rosebud in the local Girl Guide troop."
A member of the most junior division of the Girl Guides Association, now called a Brownie.
A coastal town in Victoria, Australia, named after the wreck of the cargo ship "Rosebud".
"The ferry dropped us off at Rosebud, a quiet coastal town in Victoria that takes its name from an old sunken ship."