counter for doses of medicine
Used specifically for counting doses of medicine, such as packets of powdered medicine or individual doses. Often seen in medical contexts or on prescriptions. The cross-reference to 服 (ふく) indicates a related counter for doses, but 貼 is distinct.
See also: 服 (ふく)
Please take two doses of this medicine per day.
I received three doses of Chinese herbal medicine from the doctor.
pasting; sticking; attaching; affixing
The kanji 貼 means 'to stick' or 'to affix', which may relate to the traditional practice of sealing powdered medicine in paper packets. The reading ちょう is the on'yomi.