Final answer:
The abbreviation for taking medication before meals is 'a.c.', which stands for the Latin phrase 'ante cibum'. It is used by healthcare providers in prescriptions to ensure proper medication timing.
Step-by-step explanation:
The abbreviation that means to give before meals is a.c., which stands for ante cibum, a Latin phrase. In the context of medical prescriptions, a.c. indicates that medication should be taken before eating. When a healthcare provider writes a prescription or a medical order, these abbreviations are essential for ensuring the correct timing and administration of medications. It's important that they are understood and followed accurately to maintain the efficacy of the treatment and safety of the patient.