affectionate term for elderly men (referencing beards). pappus (plural <span class="searchmatch">pappuses</span> or pappi) (botany) The markedly reduced sepals of an Asteraceae floret...
need x-rays to spot the difference. (botany, rare) Lacking bristles or <span class="searchmatch">pappuses</span>. 1838, William Henry Harvey, The Genera of South African Plants, Arranged...