Found 2 items, similar to lowermost.
English → English (WordNet) Definition: lowermost lowermost adj : farthest down; “bottommost shelf” [syn: bottommost, nethermost]
English → English (gcide) Definition: Lowermost Lowermost \Low"er*most`\, a. [Irreg. superl. of Low. Cf. Uppermost, Foremost, etc.] Lowest. [1913 Webster]