1. (

• whiner ,
• complainer ,
• moaner ,
• sniveller ,
• crybaby ,
• bellyacher ,
• grumbler ,
• squawker

) a person given to excessive complaints and crying and whining ;

2. (

• squawk_box ,
• squawker ,
• intercom_speaker

) the loudspeaker on an intercom or public address system ;