ra·win·sonde (rā'wĭn-sŏnd') n. A radiosonde used to observe the speed and direction of upper-air winds and tracked by a radio direction-finding instrument or radar.
rawinsonde (rā'wĭn-sŏnd') Pronunciation Key
A radiosonde used to observe the speed and direction of upper-air winds and tracked by a radio direction-finding instrument or radar.