old documents / (in palaeography) historical documents written to convey a specific intention between a sender and receiver; generally inclusive of written material through the mid-19th century

paleography

old words that are generally not in use anymore; archaic words

to use / to employ / to make use of, to apply / to spend

借りる: to borrow, to have a loan / 借りる: to rent; to hire

仮寝: a nap, siesta; sleeping away from home / 刈根, 刈り根: stubble left after grass or other plant was mowed

a female given name / 苅稲: a place name / 雁音: a surname

(music) an ocarina

(chemistry) alkali (class of caustic bases)

アルカリ性: alkalinity