1. a mobile unit or vehicle equipped to collect blood donations from donors
Usage: often capitalized when referring to a specific organization's vehicle; common in North American English

Examples

• The Red Cross bloodmobile visited our office building to collect donations.
• She scheduled an appointment to donate blood at the bloodmobile parked downtown.
• The bloodmobile travels to different neighborhoods every week.
• Many people prefer donating at the bloodmobile rather than at a hospital.
• The bloodmobile was equipped with comfortable chairs and trained phlebotomists.