囟 xìn fontanel Origin Definitions Defs Strokes Stroke Words Sentences Sents 囟门 xìnmén fontanel fontanel (the soft spot on an infant's head where the skull bones have not yet fused)囟脑门 xìnnǎomén fontanel the fontanel or soft spot on a baby's head Sources Frequency data MTSU Chinese text computingSUBTLEX-CH