熾天使: (biblical) a seraph

(poetry) a 詞書 (kotobagaki, “explanatory note”) stating that the topic, theme, or occasion of a selected waka poem is unknown; also, the poem with the unknown topic, theme, or occasion

a cricket (insect)

tail

(physics, manufacturing) silicon. / (chemistry) Alternative form of シリコーン

A Japanese word game wherein each player must produce a word that begins with the kana that the previous player's word ended with. Only nouns may be used. Words may not be repeated, and a player who chooses a word ending in ん (n) loses, since no normal Japanese noun begins with ん (n). Word chain.

a sylph (the elemental being of air)

the Siddham script

white soil or earth, such as chalk / kaolin or other clay used for pottery or ceramics / white lacquer

being silver / the color silver / an item made of silver / (euphemistic) being for the elderly