one tablet; one pill
Used for counting medicine in tablet or pill form. Often seen on prescriptions and medication instructions.
Please take one tablet of this medicine per day.
tray; salver
Rare and somewhat archaic; refers to a flat tray or salver, often used in formal or traditional settings. Modern Japanese more commonly uses 盆 (ぼん) or トレー.
In old documents, 一錠 can refer to a tray.
Standard kanji spelling for both senses.
Numerical variant using half-width digit; common in medical contexts.
Compound of 一 (いち, 'one') and 錠 (じょう), a counter for pills/tablets or an old term for a tray. The tray sense is historically derived from the flat, tray-like shape associated with the character 錠.