prothallus /prō-thalˈəs/ or prothallium /prō-thalˈi-əm/

1. The gametophyte or sexual generation in ferns and related plants, a small plate of tissue derived from a spore and bearing antheridia and archegonia
2. The homologous stage in gymnosperms

prothallˈial, prothallˈic or prothallˈoid adjective

• yeeding
• yeeds
• yegg
• yeggman
• yeggs
• yeld
• yeldring
• yeldrings
• yeldrock
• yeldrocks
• yelk
• yelks
• yell
• yelled
• yelling
• yellings
• yelloch
• yelloched
• yelloching
• yellochs
• yellow
• yellow alert
• yellow alerts
• yellow-ammer
• yellow archangel