Note value (5)
(Other definitions for minim that I've seen before include "Beat" , "A note in music, half as long as a semi-breve- it's a palindrome" , "Half-semibreve" , "Feature of a score" , "It's a downward stroke" .)
(Other definitions for semiquaver that I've seen before include "Musical note" , "Very little music" , "Quarter of a crotchet" , "A bit of music" .)