花

island arc (like the Aleutian Islands)

flower charcoal (whereby a flower, seed, branch, or other item of flora is carbonized as is, retaining its form)

spinner shark (Carcharhinus brevipinna); long-nose grey shark

false dragonhead (Physostegia virginiana); obedient plant

tepal

Proverb; Said to justify picking flowers from others' gardens, parks, etc.

it is no crime to steal flowers

prostitution in which services are provided by several women in rotation (esp. in "pink salons")

Anthozoa (class of cnidarians)

cardboard spinning top, shaped and coloured like a flower

tiredness after cherry blossom watching

glossy abelia (Abelia grandiflora)

pink quill (Tillandsia cyanea)

sweet rocket (Hesperis matronalis); dame's rocket; dame's violet; damask violet

Chinese violet cress (Orychophragmus violaceus)

rabbity six (standard dead shape in go); rabbitty six

(cherry) blossom front; flower front

palynology

hwatu; Korean hanafuda

Polemonium kiushianum (species of Jacob's ladder)

Food, cooking

lau hoa (Vietnamese flower hotpot)

Poetical term

City of Flowers (nickname for various cities, esp. Paris and Florence)

Botany

flower seedling

Rare term

ornamental hairpin

makeup involving flower patterns, etc.

Geology

arkose

flower planting