1cadaver for dissection in training medical students
2overall situation; the big picture
3in general; more or less; in rough terms; basically; on the whole
Example
zài在nà那gè个shí dài时代,nán nǚ男女fā发shì式dà tǐ大体xiāng sì相似。
在那个时代,男女发式大体相似。
In that age, men and women wore similar hairstyles.