毬 - burr, ball

temaribana; Japanese snowball (Viburnum plicatum)

cone (e.g. pine, hemlock)

Paralomis histrix (species of king crab); porcupine crab

Japanese pinecone fish (Monocentris japonica)

Pronodularia japanensis (species of freshwater mussel)

Viburnum plicatum var. plicatum

Japanese snowball; Viburnum plicatum

playing catch

burr (e.g. chestnut); bur; cupule; case

marimo (variety of algae, Cladophora aegagropila); round green algae; Cladophora ball; lake ball; moss ball

chestnut in its burr

traditional Japanese handball game