oil bottle; hair oil container
Historically a small bottle or pot for holding hair oil (椿油など). Now mostly encountered in historical or traditional contexts.
In the past, Japanese women would take camellia oil from an oil bottle and apply it to their hair.
oilcup; oil cup
Mechanical part: a small reservoir that supplies lubricating oil to a bearing or moving part. Technical term.
The bearings of this machine need to be oiled regularly from the oilcup.
font; oil lamp font
The container part of an oil lamp that holds the oil. Also a technical or historical term.
I filled the font of the old lamp with kerosene and lit it.
油入れ is a general term for any oil container, whereas 油壺 specifically refers to a pot-like or built-in reservoir.
Standard kanji spelling using 壺 (pot/jar).
Variant using 壷, a common alternative form of 壺.
Mixed kana-kanji spelling, sometimes used for clarity.
Compound of 油 (あぶら, oil) and 壺 (つぼ, pot/jar). The word transparently means 'oil pot'.