price of a flower; flower cost
Refers to the monetary cost of purchasing a flower or flowers.
The price of carnations goes up on Mother's Day.
geisha entertainment fee; geisha companionship charge
Specifically the fee paid for a geisha's time and entertainment at a party or gathering.
The fee for the geisha entertainment at the party was higher than I imagined.
Compound of 花 (flower) and 代 (cost, fee). The geisha-related sense is an extension from the literal flower cost, as geisha entertainment was traditionally associated with flower districts.