臺
cocoon 厶 (34a) + mouth 口 (5) = platform 台
This character has a number of meanings and at least three traditional forms to go with them. It can refer to things like TV stations; it is used as a measure word; and it is also the “tai” in “Taiwan” and the “ty” in “typhoon”.

The ants each brought a cocoon to the mouth of the cave, where they stacked them up to form a platform (for their annual rock concert — they use the cave as it has good acoustics!). / [No pronunciation needed]