Adjective:

1. of or relating to or shaped like a quadrangle

quadvt.用空铅填abbr.四边形（=quadrangle)abbr.四组；四胞胎之一（=quadruplet)abbr.四声道的（=quadraphonic）abbr.四头肌（=quadriceps）abbr.空铅；铅块（=quadrat）n.四方院子；四胞胎之一；嵌条；成套的四件东西quad.quadrangle； abbr.；=quadrangle

1. The tongue-and-groove articulation between the quadrangular cartilage and the maxillary and palatine crest deserves special mention.
   特别值得一提的是四边形的软骨和上颌骨及腭嵴之间的榫槽衔接。