The term "top-slice" can refer to a variety of things, such as the practice of taking a portion of a company's profits to fund a specific project or initiative, or the act of removing the top layer of bread from a loaf. Synonyms for this term could include "divert," "funnel," or "reroute," which all imply the redirection of funds or resources. Other similar terms might include "cull," "trim," or "prune," which suggest the removal or reduction of something. In some contexts, "top-slice" might also be described as "earmarking," "designating," or "allocating" funds or resources for a specific purpose.