Skip to main content
Browse
World
World Overview
Atlas
Countries
Disasters
News
Flags of the World
Geography
International Relations
Religion
Statistics
Structures & Buildings
Travel
World Rulers
People
People Overview
Academia & Culture
Arts & Entertainment
Business
Government
Newsmakers
Science
Sports
U.S.
U.S. Overview
Cities
U.S. Documents
Gender Issues
Geography
Government
News
Military
Monuments & Landmarks
Postal Information
Race & Ethnicity
States
Statistics
Arts & Entertainment
Sports
History
History Overview
Timelines
World History
U.S. History
Black History Month
Hispanic Heritage Month
Women's History Month
Math & Science
Math & Science Overview
Aviation
Biology
Computers & Internet
Earth & Environment
Health
Inventions & Discoveries
Mathematics
Physics
Space
Weather
Weights & Measures
Calendar & Holidays
Calendar & Holidays Overview
Calendars
Holidays
Seasons, Months, Days
Perpetual Calendar
Business
Business Overview
Business
Consumer Resources
Currency
Economy
Employment & Labor
Personal Finance
Poverty & Income
Taxes
Primary Sources
Primary Sources Overview
Books & Plays
Fables & Fairy Tales
Government
History & Biography
Philosophy & Religion
Poetry
Speeches & Essays
Ask the Editors
View All Questions & Answers
Tools
Conversion Calculator
Latitude & Longitude
Perpetual Calendar
Dictionary
Thesaurus
Spellcheck
Distance Calculator
Periodic Table
Videos
Atlas
Encyclopedia
Games
Quizzes
Top 10s
Day In History
Search
What Does It Mean?
You are
correct!
From our dictionary:
pro•cel•lous
(pr
O
•sel'
u
s),
—
adj.
stormy, as the sea.
Fact Monster Word Quiz for Kids
Trending
Here are the facts and trivia that people are buzzing about.
World's Most Corrupt Leaders & Politicians
Western Christian Holidays, 2010-2030
The Best Movie Quotes of All Time!
Top 10 Biggest Waterfalls in the World (Tallest, Widest, & Most Volume!)
Books of the Bible: New Testament Books in Order
Animal Group Terminology
✖
Do Not Sell or Share My Personal Information
Do Not Sell or Share My Personal Information
