1 on affix
2 in notes
unary mathematical operator: factorial; a!.
On affix form:
is a/the neck [body-part] of x
; [metaphor: a relatively narrow point].
is the factorial of x
Like "ma'oi" but outputs the officially-designated/canonical sub-selma'o (if any) to which the immediately following and quoted word (cmavo) belongs, otherwise outputting the whole relevant selma'o in fashion equivalent to "ma'oi".