This is the 6163rd most frequent Japanese word.
カマ
The Japanese word "カマ" (kama) can mean "sickle" or "cauldron," depending on context. It can also have other meanings in slang.
Here, 'カマ' refers to 'a sickle', which is a common tool used in farming or gardening for cutting.
彼は鍋の中にカマを入れた。
He put the sickle into the pot.
In this context, 'カマ' implies 'a sickle-shaped attribute', specifically referring to the shape of the bird's beak.
あの鳥は立派なカマを持っている。
That bird has an impressive sickle-shaped beak.
Here, 'カマ' is part of the word 'カマキリ', which means 'praying mantis', emphasizing the sickle-like arms of the insect.