| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
The simple or dictionary form of a verb: walk, think, fly, exist. Often the word to marks a verb as an infinitive: “to walk,” “to think,” “to fly,” “to exist.”