trunk
noun
°The (usually single) upright part of a tree, between the roots and the branches: the tree trunk.
°A large suitcase, usually requiring two persons to lift and with a hinged lid.
adjective
°Pertaining to a main line in a river, canal, railroad, or highway system.
synonyms: boot, tree trunk

shirk
verb
°To avoid, especially a duty, responsibility, etc.; to stay away from.
"If you have a job, don't shirk from it and not show up at work."
noun
°one who shirks.
synonyms: blow off