随意の
【解剖】 a voluntary muscle
free choice.
読み方 ずいい
1
Voluntariness; option; pleasure:(=の) voluntary; optional; free; any (one likes):(=に) voluntarily; at one's pleasure; as one pleases; at one's option; at one's discretion; as one thinks fit; of one's own accord; of one's choice; to one's own free will; at liberty; ad libitum
2
〈複合詞〉