|pirə|midə̇kəl adjective
also pyr·a·mid·ic -dik
Etymology: pyramidical from pyramid + -ical; pyramidic probably from Greek pyramidikos, from pyramid-, pyramis + -ikos -ic
: resembling a pyramid : pyramidal
• pyr·a·mid·i·cal·ly -də̇k(ə)lē adverb
• pyr·a··mid·i·cal·ness -kəlnə̇s noun -es