Introducers of a show's acts, e.g

• Toastmasters, for short
• Banquet V.I.P.'s
• Mic holders
• D.J.'s, at times
• Banquet toastmasters, briefly
• They introduce speakers, for short
• Short hosts
• Leading speakers
• Hosts of pageants: Abbr

Wikipedia Word definitions in Wikipedia
MCS may refer to: