Denshi Jisho — Online Japanese dictionary

いが burr; bur; (chestnut) case; (pine) cone
Noun 
かさ burr; bur; (chestnut) case; (pine) cone
Noun 
まり ball
Noun 
まりも marimo (variety of algae, Cladophora aegagropila); round green alga; Cladophora ball; lake ball; moss ball
Noun, Usually written using kana alone 
いがぐり chestnut in its burr
Noun 
きゅうか (pine) cone
Noun 
投げ まりなげ playing catch
Noun 
栗頭 いがぐりあたま close-cropped head
Noun 

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