1. (boxing) two punches delivered in rapid succession 
2. (soccer) a quick one touch play between two players

Derived forms: one-twos

• thyroid cartilage
• thyroid gland
• thyroid hormone
• thyroid vein
• thyroid-stimulating hormone
• thyroidal
• thyroidectomy
• thyroiditis
• thyromegaly
• thyronine
• thyroprotein
• thyrotoxic
• thyrotoxicosis
• thyrotrophic hormone
• thyrotrophin
• thyrotropic hormone
• thyrotropin
• packet
• packet boat
• packet switching
• packhorse
• packing
• packing box
• packing case
• packing material