The term 'Asparagus Unit' is composed of three words: SPEAR (5 letters), STALK (5 letters), and SPEAKER (7 letters). SPEAR refers to the edible part of the asparagus plant, which is a long, thin green STALK. STALK is another word for the stem of the asparagus plant. SPEAKER is a device that produces sound, and in this context it could refer to a person who speaks about the asparagus plant or its cultivation. Together, these three words form the term 'Asparagus Unit', which could refer to a group of people who are knowledgeable about the asparagus plant and its cultivation.