ˌ ̷ ̷ ̷ ̷ˈāshən noun
( -s )
Etymology: probably from (assumed) New Latin fasciation-, fasciatio, from (assumed) New Latin fasciatus + Latin -ion-, -io -ion
: malformation (as in stems of plants) resulting from more or less disorganized tissue growth commonly manifested as enlargement and flattening and sometimes spiral curving as if several stems were fused and often accompanied by an abnormal number and arrangement of floral organs