Wordnet 3.0
ADJECTIVE (1)
1. 
 extending or lying across; 
 in a crosswise direction; 
 at right angles to the long axis; 
- Example: "cross members should be all steel"- Example: "from the transverse hall the stairway ascends gracefully"- Example: "transversal vibrations"- Example: "transverse colon"[syn: cross(a), transverse, transversal, thwartwise]
WordNet (r) 3.0 (2006):
thwartwise
    adj 1: extending or lying across; in a crosswise direction; at
           right angles to the long axis; "cross members should be
           all steel"; "from the transverse hall the stairway
           ascends gracefully"; "transversal vibrations";
           "transverse colon" [syn: cross(a), transverse,
           transversal, thwartwise]