American Heritage Dictionary
(1)
Century Dictionary
GNU Webster's 1913
WordNet
Elsewhere on the web
Some residents and neighbors contested it, citing concerns over the endangered Pismo clarkia and the loss of trees.— SanLuisObispo.com: 911
Some familiar examples of hardy annuals are sweet alyssum, ageratum, calendula, calliopsis, candytuft, Centaurea Cyanus, clarkia, larkspur, gilia, California poppy, morning-glory, marigold, mignonette, nemophila, pansy, phlox, pinks, poppies, portulaca, zinnia, sweet pea, scabiosa.— Manual of Gardening (Second Edition)
Down below, a mass of brank-ursine formed as it were a pedestal, from the midst of which sprang scarlet geum, rhodanthe with stiff petals, and clarkia with great white carved crosses, that looked like the insignia of some barbarous order.— La faute de l'Abbe Mouret

American Heritage Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
We are still working on calculating this word's frequency.