What is another word for lay spread eagle?
Pronunciation: [lˈe͡ɪ spɹˈɛd ˈiːɡə͡l] (IPA) 
The phrase "lay spread eagle" describes a position where someone is lying flat on their back with arms and legs stretched out. Synonyms for this phrase include "splayed out," "prostrate," "supine," and "spread-eagled." Other phrases that convey a similar position include "spread out like a starfish," "laid out like a board," and "flat on your back." These phrases can be used in various contexts, whether describing a lounging posture, a position for gymnastics or yoga, or even a physical position in a medical context. Whatever the situation, the phrase "lay spread eagle" and its synonyms are useful for conveying a specific physical posture.
