The word is trisect.
lop
cut
cut
lop
baa
The three-letter word that can be placed in front of "ice," "beat," and "cut" is "nice." This forms the words "nice ice," "nice beat," and "nice cut."
cut, axe, hew
The word that means to cut into three parts is "trisection." This term is often used in mathematics and geometry to describe the division of an angle or a segment into three equal parts. It can also apply to other contexts where something is divided into three segments.
Cut out
three
The word, "Three" has one syllable.
The word "triple" means to cut something into three parts or to divide it into three equal sections. Additionally, "ternary" refers to something composed of three elements. In a more general sense, "triplicate" can also mean to make three copies or versions of something.