— clamberer , n.
/klam"beuhr, klam"euhr/ , v.t. , v.i.
1. to climb, using both feet and hands; climb with effort or difficulty.
n.
2. an act or instance of clambering.
[ 1325-75; ME clambren, equiv. to clamb- (akin to CLIMB) + -r- -ER 6 + -en inf. suffix ]