pertaining to flowerless plants (ferns or mosses) in which growth occurs only at the tip of the main stem

reflex changes in the eyes that enable an object to be focused on the retina

Straightforward; frank or candid, Not pretentious; unaffected, Not dyed, twilled, or patterned, noun_ An extensive, level, usually treeless area of land, An extent of level, or nearly level, land; a region not noticeably diversified with mountains, hills, or valleys, Something free of ornamentation or extraneous matter, transitive verb_ rare To plane or level; to make plain or even on the surface, To make plain or manifest; to explain

skillful performance or ability without difficulty