babyhead
n.β Β«The group trudges onward, scrambling over teetering screeβrocks first the size of oranges and then as big as volleyballs (called “babyheads” in climbing lingo).Β» ββFormer Texas lawmaker heads for the hills in quest to climb Coloradoβs highest peaks” by Pamela LeBlanc in Twin Lakes, Colorado Austin American-Statesman (Texas) Aug. 5, 2007. (source: Double-Tongued Dictionary)