n. metallic element of the lanthanide series. [Latin Thule, name of a region in the remote north] thumb /9Am/ n. 1 short thicker finger on the human hand, set apart from the other four. 2 part of a glove etc. for a thumb. v. 1 wear or soil (pages etc.) with a thumb. 2 turn over pages with or as with a thumb (thumbed through the directory). 3 request or get (a lift) by signalling with a raised thumb.4 use the
