na-adjective, noun which may take the genitive case particle 'no'
smallish; on the small side; somewhat small
Describes something as being a bit smaller than usual or expected. Often used with nouns like サイズ, 体, or 器. Can be used as a na-adjective or no-adjective.
See also: 大振り
この店のラーメンは小振りの器で出てくる。
The ramen at this shop is served in a smallish bowl.
彼は小振りな体だけど、とても力持ちだ。
He has a somewhat small build, but he's very strong.
noun, noun or participle which takes 'suru'
short swing
Used in sports like baseball or tennis to describe a compact, short swing. Can be used as a noun or with する to mean 'to take a short swing'.
バッターは小振りで確実に当てにいった。
The batter went for a short swing to make solid contact.
テニスでは小振りなスイングのほうがコントロールしやすい。
In tennis, a compact swing is easier to control.