cusp Synonyms

leaflet Leaflets summit steepen spire spine spike solstice snag rowel quill prong prickle prick point pinnacle pentahedron tenon tetragon sharp-pointed sharp end prickler parallelepiped mucronation intersectant blastoff crossover yucca verge top tooth tip tine threshold thorn peak ord octahedron dodecagon decagon cusped crest cotter corner claw bill barb awn apex angularness