‖ n.; pl.Crissa [ NL.; cf. L. crisso to move the haunches. ] (Zool.) That part of a bird, or the feathers, surrounding the cloacal opening; the under tail coverts. [ 1913 Webster ]
[纵横 / 縱橫, zòng héngㄗㄨㄥˋ ㄏㄥˊ] lit. warp and woof in weaving; vertically and horizontal; length and breadth; criss-crossed; able to move unhindered; Political Strategists (pre-Han school of thought)#12452