M-W lists "flattish" as an adjective under another adjective "flat". What is the purpse of having two adjectives and that too under the same listing? What is M-W trying to suggest? Couldn't "flattish" be replaced with "flat" in "a flattish foot of the leg..."?
2 footpad
: a
flattish foot on the leg of a spacecraft for distributing weight to minimize sinking into a surface
http://www.merriam-webster.com/dictionary/flat?show=0&t=1283819425[...]
12: of, relating to, or used in competition on the flat <a
flat horse>
13
of a universe : having a mass such that expansion halts only after infinite time and collapse never occurs
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flat·ly adverb—
flat·ness noun—
flat·tish adjective